Web Instrument · v5

Warm Harmonium

A living, breathing harmonium for your browser. Play with keyboard, mouse, or MIDI. Features raga presets, recording with piano roll, layered drone, waveform synthesis, and real-time visualizer.

🎹 MIDI Support 🎼 9 Raga Presets ⏺ Piano Roll 🌊 Waveforms 🔁 Drone Mode

Best with Chrome/Edge · Use headphones · Esc opens shortcuts

Master 30%

Room Reverb

Waveform

Envelope

Attack

Release

Reeds (layers)

Tuning

Transpose

Octave

Fine Tune (cents) 0¢

MIDI Scanning

Drone

Scale

Sequence Player ▶

Gap 180ms Hold 200ms

Loop

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Warm Harmonium

🎹 Keyboard Reference