Professional Virtual Harmonium Simulator
Master authentic acoustic reed organ scales directly in your browser. Experience rich multi-octave brass reeds, octave couplers, devotional drone stops, and live recording with zero latency.
Acoustic Reed Samples
Experience deep, warm, and resonant free-reed tones meticulously sampled across 39 chromatic pitches from C2 to D5.
Stops & Coupler
Engage physical brass knobs for C, G, and D drones or toggle the octave coupler stop for layered acoustic depth.
Live Recording & Reverb
Record your practice sessions, replay them with synchronized on-screen keys, and switch between Hall, Room, and Dry reverb spaces.
How to Play the Online Harmonium?
The harmonium is played using an expressive keyboard layout powered by free-swinging brass reeds. Our simulator maps over three complete octaves directly to your computer keyboard for seamless two-handed performances.
- Lower Octave (C2 to B2): Use keys Z, X, C, V, B, N, M for natural white keys, and S, D, G, H, J for accidentals.
- Middle Octave (C3 to B3): Use keys Q, W, E, R, T, Y, U for natural white keys, and 2, 3, 5, 6, 7 for accidentals.
- Upper Octave (C4 to C5): Use keys I, O, P, [, ], K, L, ; for natural white keys, and 9, 0, =, ', \ for accidentals.
- Stops, Drones & Recording: Click the brass C, G, or D knobs for continuous background harmony. Use the RECORD and PLAY buttons at the top to record and review your practice live!
Your Sacred Digital Organ
From Indian classical ragas and devotional bhajans to European folk melodies, the harmonium provides a grounded, soulful musical foundation. Our virtual harmonium brings this timeless acoustic tradition straight to your fingertips.