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Melody — a free in-browser modular synth playgroundMelody is a free modular music environment that runs entirely in your browser — no install, no account. Build sound from composable nodes: oscillators and wavetables, a sampler, a physically-modelled drum synth, effects, an arranger and timeline, a piano roll, chord and step sequencers, plus MIDI and SoundFont import.Melody needs JavaScript and WebAssembly. Enable JavaScript, or open melody.zone in a current browser (Chrome, Edge, Firefox, or Safari) to start making sound.

Modular node graph — patch synths, effects and utilities together

Drums & percussion — a modal drum synth and a large beat library

Sampler, recorder, and audio-to-MIDI transcription

Arranger, piano roll, chord progressions, and step sequencer

MIDI, SoundFont (SF2) and WAV import; microtonal tunings

Runs client-side (WebAssembly + Web Audio) — free, no install

Learn more: About Melody · Guides · Help & node reference