The idea

I decided to make a musical Rubik’s cube - one that plays musical notes when you turn different sides. The motivation is to use group theory to map rubik’s cube movements to changes in musical notes so that the harmonies change based on user’s action on the cube and the user can “play by the ear”. However, in this course, I shall not tackle the group theory/music problem, but just make a Rubik's cube that plays music when it's sides are turned.
Here's a video of the concept:

More details on the project updates page

References:
Youtube video describing the link between Group theory, Music theory and Rubik's cube
Musical Actions of Dihedral Groups
The Framework of Music Theory asRepresented with Groups
The Mathematics of the Rubik’s Cube
Group Theory and the Rubik’s Cube
Group Theory via Rubik’s Cube
WebGL Rubik's Cube
Chris Hunt's Rubik's Cube
PencilCode Musical library