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Groovebox transport · patterns · key
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Play
Tempo
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Key
Scale
Length
8 steps 16 steps · 1 bar 32 steps · 2 bars 64 steps · 4 bars
Copy
Paste
Keys play
Pad
CS-80
Acid
Lead
Chords
Mute
Drums
Acid
Chords
Melody
Song mode: off
+ Add
Loop song
Fill next bar
Rec
overdubs keys into Melody while playing
Bounce to WAV
Bounce whole song
MIDI: none
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Master pump ducks everything except drums on each kick · DJ filter sweeps low-pass left, high-pass right
CS-80 two-layer poly synth · PWM · ring mod · touch = how far down the key you click
Pad polyphonic ambient voice
Offworld Blade Runner-style ambient generator · runs on its own clock
Off
Beats synthesized drums · click cycles off → on → accent
Techno
House
Breaks
Ambient
Random
Clear
Acid 303-style mono synth · select a step, then play keys to write
Acid House bass Techno roll Deep sub Generate
Clear
Oct −
Oct +
Chords diatonic stabs & pads · degree follows key/scale · type 3 / 7 / 9
House stabs
Sustained
Rolling
Random
Clear
Melody lead voice · generator follows key & scale · len = note length in steps
Generate
Clear
Oct −
Oct +
Play with the mouse, touch, or keys A –; (sharps on W E T Y U O P ).
Z /X shift octave · Space toggles Hold · Enter play/stop · Esc deselects step ·
1 –8 select pattern · R Rec · F fill next bar. A MIDI keyboard works too. Everything auto-saves in this browser.