about play music theory
Music makes more sense when you can see it move.
Play Music Theory is an independently developed visual music playground: draw a shape, hear what it becomes, and learn by following curiosity.
Open the instrument →why we are building it
Less instruction. More discovery.
Many music tools begin with notation, menus, and rules. This one begins with a gesture and the surprise of hearing it play.
It is useful as a quick sound sketchbook. Play freely first, then explore pitch, rhythm, keys, scales, and timing when you want.
learn at your own pace
Clear places to begin.
The guides cover the real controls and workflows on this site, from a first loop to sharing and audio troubleshooting.
explore the guides →