Welcome to Compozer

Fair warning, you may want to start with your volume at 50%. Synthesizers with effects can get pretty loud. If you're on mobile, make sure your phone isn't muted.

Check it out on

1) Choose a MIDI file from the list. (It can take a second to load sometimes.)

Beethoven

2) Choose an instrument from the list and customize it's effects below.

poly

Hide Instrument Controls

OSCILLATOR

ENVELOPE

0.2

attack

0.1

decay

0.1

sustain

0.1

release

Chain some plugins from the list and customize their effects below.

FeedbackDelay

Show Plugin Controls

Add some effects to get started!