Play Harmonium Online — Free

What is a Harmonium?

The harmonium is a free-reed keyboard instrument central to Indian classical, devotional, and folk music. Air pumped through metal reeds creates its signature warm, sustained tone—beloved in bhajan, kirtan, and Hindustani performances. The instrument was introduced to the Indian subcontinent in the 19th century and has since become inseparable from the sound of classical ragas and devotional kirtan.

Learn Harmonium Online Free

Swara is a free virtual harmonium with authentic Web Audio synthesis, Indian sargam notation, raga scale locking, tanpura drone, ADSR control, MIDI keyboard support, and built-in recording. No download required. Practice anytime, anywhere in your browser on desktop or mobile.

How to Play Online Harmonium

Click the keys on screen or use your computer keyboard (A–J for Sa to Sa+, W/E/T/Y/U for black keys). Use the Raga Lock panel to restrict notes to a specific raga such as Yaman, Bhairav, or Kafi. Enable the Tanpura Drone for an authentic practice session. Record your performance and download it as a WAV file.

Indian Sargam & Raga Practice

Sargam — Sa Re Ga Ma Pa Dha Ni — forms the foundation of Hindustani and Carnatic music theory. Swara Online Harmonium highlights these notes on the keyboard and supports raga scale locking so you only hear notes valid within a chosen raga. This is ideal for students and teachers learning Indian classical music online.

Features of Swara Online Harmonium

Key features include: multi-reed synthesis (1–3 reeds), real-time reverb and tone controls, ADSR envelope editor, MIDI keyboard support, tanpura drone with pitch and octave selection, recording with WAV download, sargam + raga highlighting, Learning Mode with scales, alankars and songs, and light/dark theme toggle. 100% free, no account required.