Draw
Add dots, lines, curves, or blocks. Each color gives the drawing a different voice.
a free visual music playground
Draw music online. Hear every shape come alive.
Play Music Theory turns a blank canvas into an instrument. Draw with a mouse or finger, press play, and listen as the page reads your marks from left to right. Higher shapes become higher notes, so melody and rhythm are something you can see.
start drawing ↑how it works
From a line to a little piece of music.
Listen
Press play to hear the canvas move through time. Change tempo or add a beat.
Shape the sound
Try a key, scale, range, grid, swing, or program. Export WAV or MIDI when it feels right.
music theory you can see
No notation lesson required.
You do not need to read sheet music to begin. The canvas makes pitch, time, rhythm, and tone visible, giving beginners and curious musicians a direct way to experiment.
- Free to play in a modern browser
- Works with touch, mouse, and MIDI input
- Explore keys, scales, tempo, swing, and quantization
- Export your experiment as WAV or MIDI
frequently asked questions
A few things to know before you draw.
Is Play Music Theory free?
Yes. The drawing tools and instrument controls are available without an access code or subscription.
Do I need to know music theory?
No. Start by drawing and listening; use the controls when you want to explore more deliberately.
How does a drawing become sound?
Horizontal position represents time, vertical position controls pitch, and color changes the voice.
Can I use it on a phone or tablet?
Yes. The canvas supports touch. Your browser may require a first tap before audio starts.