"The puzzle would be solved in the same way but instead of using colors, sound/music would be used. Any ideas on how this might be done? What would the end result, or "Success Factor" be? Could it be done with the current 3x3 model or would it require 4x4? Would it use light or an internal metronome to keep a beat? Would the music involve the entire cube, or simply one side at a time? Could it be done without requiring power? Could it be used simply as a fun music-making toy, or strictly a puzzle to solve?" - Amira

See also: Music Sequencing as Bicycle Wheels, Rubik’s Cubes at Fest in Argentina "Cubie is a software instrument which provides innovative idea of musical performance, differs from existing musical performance system such as musical notation, DJ systems, DAW systems, etc… It has a novel concept incorporating a new interactive technique based on puzzle games. Music is represented from highly saturated colored letters on a 3D cube. Almost unlimited number of melodies and rhythms can be created from a combination of those letters, and it can be changed on real-time by operations based on puzzle game. Those playful operations push a performer to play repeatedly and get the skill of performing with Cubie." http://createdigitalmusic.com/2009... - Amira