Learn subtractive synthesis by playing
press a key — A S D F G H J K

Osc 1

source
Waveform

Osc 2 + Mix

thickness
Waveform

Filter

low-pass
frequency response

Amp Envelope

loudness over time
plays as you play

Filter Env

movement
envelope → cutoff

LFO

auto-wiggle
Destination

Delay

space

Patches

presets to dissect
C4
play: A–; row · black keys W E T Y U O P · octave Z / X · knobs: drag ↑↓ (shift = fine), double-click resets