Groove Machine

Starts with drums and bass, then you can bring in keys and lead when ready.
Ready

Master Controls

104 BPM
Bass and chord buttons follow this key.
13%
38%
14%
Best-sounding 2-chord vamps. Each chord lasts 2 bars, making a calm 4-bar loop.

Live Pads

Tap pads or click piano keys while the loop runs. Q W E R = drums A S D F G H J = keys Z X C V = chords

16-Step Sequencer

Solo Instrument - Lead Guitar Synth

Drops in scale-locked runs and bends every few bars.
Warm guitar bite for the main lead voice.
Waiting for glory

Try these over the loop. Lead can do guitar-ish riffs or electric-key lines over fuller, cleaner chords.

Mini Keyboard

Chord Buttons

This uses the Web Audio API. Browsers require one click before audio starts, so hit Play or tap a pad first. No files needed, no libraries needed, no tiny gremlin downloads.