// Load Wi-Fi library
#include <WiFi.h>

// Replace with your network credentials
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";

// Set web server port number to 80
WiFiServer server(80);

// Variable to store the HTTP request
String header;

// Auxiliar variables to store the current output state
String playAmaj = "off";
String playBmaj = "off";
String playCmaj = "off";
String playDmaj = "off";
String playEmaj = "off";
String playFmaj = "off";
String playGmaj = "off"; 

String playAmin = "off";
String playBmin = "off";
String playCmin = "off";
String playDmin = "off";
String playEmin = "off";
String playFmin = "off";
String playGmin = "off";

String playCD = "off";

// Assign output variables to GPIO pins
const int output1 = 25;
const int output2 = 26;
const int output3 = 27;
const int output4 = 14;
const int output5 = 12;
const int output6 = 16;
const int output7 = 17;
const int output8 = 18;
const int output9 = 19;

int count = 0;
int songcount = 0;

// Current time
unsigned long currentTime = millis();
// Previous time
unsigned long previousTime = 0; 
// Define timeout time in milliseconds (example: 2000ms = 2s)
const long timeoutTime = 2000;

void setup() {
  Serial.begin(115200);
  // Initialize the output variables as outputs
  pinMode(output1, INPUT);
  pinMode(output2, INPUT);
  pinMode(output3, INPUT);
  pinMode(output4, INPUT);
  pinMode(output5, INPUT);
  pinMode(output6, INPUT);
  pinMode(output7, INPUT);
  pinMode(output8, INPUT);
  pinMode(output9, INPUT);

  // Connect to Wi-Fi network with SSID and password
  Serial.print("Connecting to ");
  Serial.println(ssid);
  //WiFi.begin("MIT");
  WiFi.begin("FiOS-02O5H", "pods7582try7142why");
  //WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  // Print local IP address and start web server
  Serial.println("");
  Serial.println("WiFi connected.");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  server.begin();
}

void loop(){
  WiFiClient client = server.available();   // Listen for incoming clients

  if (client) {                             // If a new client connects,
    currentTime = millis();
    previousTime = currentTime;
    Serial.println("New Client.");          // print a message out in the serial port
    String currentLine = "";                // make a String to hold incoming data from the client
    while (client.connected() && currentTime - previousTime <= timeoutTime) {  // loop while the client's connected
      currentTime = millis();
      if (client.available()) {             // if there's bytes to read from the client,
        char c = client.read();             // read a byte, then
        Serial.write(c);                    // print it out the serial monitor
        header += c;
        if (c == '\n') {                    // if the byte is a newline character
          // if the current line is blank, you got two newline characters in a row.
          // that's the end of the client HTTP request, so send a response:
          if (currentLine.length() == 0) {
            // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
            // and a content-type so the client knows what's coming, then a blank line:
            client.println("HTTP/1.1 200 OK");
            client.println("Content-type:text/html");
            client.println("Connection: close");
            client.println();
            
            // turns the GPIOs on and off
            if (header.indexOf("GET /Gmaj/on") >= 0) {
              Serial.println("Play Gmaj");
              playGmaj = "on";

               while (count < 1000){
                  playGmaj = "on";

                  pinMode(output1, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output3, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output3, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output3, INPUT);
                  pinMode(output2, INPUT);
    
                  pinMode(output8, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output8, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output8, INPUT);
                  pinMode(output2, INPUT);
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Gmaj/off") >= 0) {
              Serial.println("Gmaj done");
              playGmaj = "off";
              count = 0;
//              pinMode(output1, INPUT);
              //pinMode(output2, INPUT);
            } else if (header.indexOf("GET /Amaj/on") >= 0) {
              Serial.println("Play Amaj");
              playAmaj = "on";

               while (count < 1000){
                  playAmaj = "on";

                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output6, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output6, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output6, INPUT);
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Amaj/off") >= 0) {
              Serial.println("Amaj done");
              playAmaj = "off";
              count = 0;

            } else if (header.indexOf("GET /Bmaj/on") >= 0) {
              Serial.println("Play Bmaj");
              playBmaj = "on";

               while (count < 800){
                  playBmaj = "on";
                  
                  pinMode(output1, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output7, INPUT);
    
                  pinMode(output2, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output2, OUTPUT);
                  pinMode(output6, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output6, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output6, INPUT);
                  
                  pinMode(output2, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output7, INPUT);
    
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Bmaj/off") >= 0) {
              Serial.println("Bmaj done");
              playBmaj = "off";
              count = 0;

            }  else if (header.indexOf("GET /Cmaj/on") >= 0) {
              Serial.println("Play Cmaj");
              playCmaj = "on";

               while (count < 1000){
                  playCmaj = "on";

                  pinMode(output6, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output6, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output6, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);
    
                  pinMode(output4, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output4, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output4, INPUT);
                  pinMode(output2, INPUT);
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Cmaj/off") >= 0) {
              Serial.println("Cmaj done");
              playCmaj = "off";
              count = 0;

            } else if (header.indexOf("GET /Dmaj/on") >= 0) {
              Serial.println("Play Dmaj");
              playDmaj = "on";

               while (count < 1000){
                  playDmaj = "on";

                  pinMode(output1, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output7, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output2, INPUT);
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Dmaj/off") >= 0) {
              Serial.println("Dmaj done");
              playDmaj = "off";
              count = 0;
            } else if (header.indexOf("GET /Emaj/on") >= 0) {
              Serial.println("Play Emaj");
              playEmaj = "on";

               while (count < 1000){
                  playEmaj = "on";

                  pinMode(output5, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output5, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output5, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Emaj/off") >= 0) {
              Serial.println("Emaj done");
              playEmaj = "off";
              count = 0;
            } else if (header.indexOf("GET /Fmaj/on") >= 0) {
              Serial.println("Play Fmaj");
              playFmaj = "on";

               while (count < 800){
                  playFmaj = "on";

                  pinMode(output6, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output6, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output6, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);

                  pinMode(output5, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output5, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output5, INPUT);
                  pinMode(output2, INPUT);
    
                  count = count + 1;
               }
              count = 0;
            } else if (header.indexOf("GET /Fmaj/off") >= 0) {
              Serial.println("Fmaj done");
              playFmaj = "off";
              count = 0;
            } else if (header.indexOf("GET /Amin/on") >= 0) {
              Serial.println("Play Amin");
              playAmin = "on";

               while (count < 1000){
                  playAmin = "on";

                  pinMode(output6, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output6, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output6, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  count = count + 1;
               }
               count = 0;
              
            } else if (header.indexOf("GET /Amin/off") >= 0) {
              Serial.println("Amin done");
              playAmin = "off";
              count = 0;
            } else if (header.indexOf("GET /Bmin/on") >= 0) {
              Serial.println("Play Bmin");
              playBmin = "on";

               while (count < 600){
                  playBmin = "on";

                  pinMode(output1, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output7, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output2, INPUT);

                  pinMode(output2, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output2, OUTPUT);
                  pinMode(output6, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output6, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output6, INPUT);
    
                  count = count + 1;
               } 
               count = 0;
              
            } else if (header.indexOf("GET /Bmin/off") >= 0) {
              Serial.println("Bmin done");
              playBmin = "off";
              count = 0;
            } else if (header.indexOf("GET /Cmin/on") >= 0) {
              Serial.println("Play Cmin");
              playCmin = "on";

               while (count < 600){
                  playCmin = "on";

                  pinMode(output8, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output8, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output8, INPUT);
                  pinMode(output2, INPUT);
    
                  pinMode(output4, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output4, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output4, INPUT);
                  pinMode(output2, INPUT);
    
                  pinMode(output2, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output7, INPUT);

                  pinMode(output6, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output6, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output6, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output3, INPUT);
    
                  count = count + 1;
               } 
               count = 0;
              
            } else if (header.indexOf("GET /Cmin/off") >= 0) {
              Serial.println("Cmin done");
              playCmin = "off";
              count = 0;
            } else if (header.indexOf("GET /Dmin/on") >= 0) {
              Serial.println("Play Dmin");
              playDmin = "on";

               while (count < 1000){
                  playDmin = "on";

                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output7, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output2, INPUT);

                  count = count + 1;
               } 
               count = 0;
              
            } else if (header.indexOf("GET /Dmin/off") >= 0) {
              Serial.println("Dmin done");
              playDmin = "off";
              count = 0;
            } else if (header.indexOf("GET /Emin/on") >= 0) {
              Serial.println("Play Emin");
              playEmin = "on";

               while (count < 1000){
                  playEmin = "on";

                  pinMode(output1, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);
    
                  count = count + 1;
               } 
               count = 0;
              
            } else if (header.indexOf("GET /Emin/off") >= 0) {
              Serial.println("Emin done");
              playEmin = "off";
              count = 0;
            } else if (header.indexOf("GET /Fmin/on") >= 0) {
              Serial.println("Play Fmin");
              playFmin = "on";

               while (count < 790){
                  playFmin = "on";

                  pinMode(output2, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output2, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output1, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output1, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output1, INPUT);
    
                  pinMode(output4, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output4, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output4, INPUT);
                  pinMode(output2, INPUT);

                  pinMode(output2, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output5, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output2, INPUT);
                  pinMode(output5, INPUT);
    
                  count = count + 1;
               } 
               count = 0;
              
            } else if (header.indexOf("GET /Fmin/off") >= 0) {
              Serial.println("Fmin done");
              playFmin = "off";
              count = 0;
            } else if (header.indexOf("GET /Gmin/on") >= 0) {
              Serial.println("Play Gmin");
              playGmin = "on";

               while (count < 800){
                  playGmin = "on";

                  pinMode(output3, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output3, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output3, INPUT);
                  pinMode(output2, INPUT);
    
                  pinMode(output8, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output8, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output8, INPUT);
                  pinMode(output2, INPUT);
    
                  pinMode(output5, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output5, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output5, INPUT);
                  pinMode(output3, INPUT);

                  pinMode(output6, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output6, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output6, INPUT);
                  pinMode(output3, INPUT);
                 
                  count = count + 1;
               } 
               count = 0;
              
            } else if (header.indexOf("GET /Gmin/off") >= 0) {
              Serial.println("Gmin done");
              playGmin = "off";
              count = 0;
            } else if (header.indexOf("GET /CD/on") >= 0){
              Serial.println("CD Playing");
              playCD = "on";

              while (songcount <= 2){
                while (count <= 800){
                  //D
                  pinMode(output1, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output7, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output7, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output7, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output7, INPUT);
                  pinMode(output2, INPUT);

                  count = count + 1;
                }
                count = 0;
                while (count <= 800){
                  //Dmaj7
                  pinMode(output1, OUTPUT);
                  pinMode(output7, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output7, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output7, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output6, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output6, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output6, INPUT);

                  count = count + 1;
                }
                count = 0;
                while (count <= 790){
                  //Em
                  pinMode(output1, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);

                  count = count + 1;
                }
                count = 0;
                while (count <= 400){
                  //G
                  pinMode(output1, OUTPUT);
                  pinMode(output3, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output3, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output3, INPUT);
    
                  pinMode(output3, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output3, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output3, INPUT);
                  pinMode(output2, INPUT);
    
                  pinMode(output8, OUTPUT);
                  pinMode(output2, OUTPUT);
                  digitalWrite(output8, LOW);
                  digitalWrite(output2, HIGH);
                  delay(1);
                  pinMode(output8, INPUT);
                  pinMode(output2, INPUT);

                  count = count + 1;
                }
                count = 0;
                while (count <= 400){
                  //A
                  pinMode(output1, OUTPUT);
                  pinMode(output4, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output4, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output4, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output5, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output5, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output5, INPUT);
    
                  pinMode(output1, OUTPUT);
                  pinMode(output6, OUTPUT);
                  digitalWrite(output1, LOW);
                  digitalWrite(output6, HIGH);
                  delay(1);
                  pinMode(output1, INPUT);
                  pinMode(output6, INPUT);

                  count = count + 1;
                }
                count = 0;
                songcount = songcount + 1;
              }
              songcount = 0;
            } else if (header.indexOf("GET /CD/off") >= 0) {
              Serial.println("CD done");
              playCD = "off";
              count = 0;
              songcount = 0;
            } 
            
            // Display the HTML web page
            client.println("<!DOCTYPE html><html>");
            client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
            client.println("<link rel=\"icon\" href=\"data:,\">");
            // CSS to style the on/off buttons 
            // Feel free to change the background-color and font-size attributes to fit your preferences
            client.println("<style>html { font-family: Tahoma; display: inline-block; margin: 0px auto; text-align: center;}");
            client.println(".button { background-color: red; border: none; color: white; padding: 16px 40px;");
            client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
            client.println(".button2 {background-color: #555555;}</style></head>");
            //client.println(".button3 {background-color: #555555;}</style></head>");
            
            // Web Page Heading
            client.println("<body><h1>Emma's LED Guitar!</h1>");
            
            client.println("<h2>Major Chords</h2>");

  
            client.println("<p>A Major</p>");
            client.println("<p><a href=\"/Amaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

              client.println("<p>B Major</p>");   
              client.println("<p><a href=\"/Bmaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>C Major</p>");
            client.println("<p><a href=\"/Cmaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");
              
            client.println("<p>D Major</p>");
            client.println("<p><a href=\"/Dmaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>E Major</p>");
            client.println("<p><a href=\"/Emaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>F Major</p>");
            client.println("<p><a href=\"/Fmaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");
  
            client.println("<p>G Major</p>");
            client.println("<p><a href=\"/Gmaj/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<h2>Minor Chords</h2>");

            client.println("<p>A Minor</p>");
            client.println("<p><a href=\"/Amin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>B Minor</p>");
            client.println("<p><a href=\"/Bmin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");
 
            client.println("<p>C Minor</p>");
            client.println("<p><a href=\"/Cmin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>D Minor</p>");
            client.println("<p><a href=\"/Dmin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>E Minor</p>");
            client.println("<p><a href=\"/Emin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>F Minor</p>");
            client.println("<p><a href=\"/Fmin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<p>G Minor</p>");
            client.println("<p><a href=\"/Gmin/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("<h2>Songs</h2>");

            client.println("<p>Cigarette Daydreams</p>");
            client.println("<p><a href=\"/CD/on\"><button class=\"button\">CLICK TO PLAY</button></a></p>");

            client.println("</body></html>");
            
            // The HTTP response ends with another blank line
            client.println();
            // Break out of the while loop
            break;
          } else { // if you got a newline, then clear currentLine
            currentLine = "";
          }
        } else if (c != '\r') {  // if you got anything else but a carriage return character,
          currentLine += c;      // add it to the end of the currentLine
        }
      }
    }
    // Clear the header variable
    header = "";
    // Close the connection
    client.stop();
    Serial.println("Client disconnected.");
    Serial.println("");
  }
}