Sandbox Piano

Play with your mouse or computer keyboard. Colors highlight ADSR-driven notes.

Mouse

Click or tap any key to trigger the note. Release to hear the release phase of the envelope.

Computer Keys

Use A S D F G H J K L ; ' plus W E T Y U O P to play chromatically from C4 to F5.

Sound

Square-triangle oscillator, warm ADSR envelope, and a subtle reverb-style decay.