# Web Harmonium > Play harmonium online free — no download needed. Virtual Indian harmonium with Sargam notation, 8 ragas, practice mode, metronome, tabla, tanpura drone, multi-format recording, MIDI & keyboard support. ## About Web Harmonium is a free browser-based harmonium studio for students, singers, and teachers to play, practice ragas with alankar exercises, record performances, and learn Indian classical music techniques. ## Tools - [Play Harmonium](https://www.web-harmonium.online/play): Interactive browser-based virtual harmonium with Sargam labels, Western note labels, 8 raga presets, practice mode with Alankar patterns, metronome, tabla accompaniment, tanpura drone, multi-format recording (WAV/MP3/WebM), MIDI keyboard support, and 10-slot preset system. Free, no installation required. ## Learning Hub (Reference Encyclopedia) - [Learn Overview](https://www.web-harmonium.online/learn): Mastery path and structured learning modules. - [Harmonium History](https://www.web-harmonium.online/learn/history): Origins in 1840 Paris (Alexandre Debain), arrival in India, adaptation to hand-pumped bellows, modern manufacturing in Kolkata and Palitana. - [Playing Techniques](https://www.web-harmonium.online/learn/techniques): Bellows control, fingering patterns, meend (glide), gamak (oscillation), vocal accompaniment principles. - [Ragas Reference](https://www.web-harmonium.online/learn/ragas): Seven deep raga pages — Yaman, Bhairav, Bhimpalasi, Kafi, Bageshree, Malkauns, Ahir Bhairav — with aroha, avroha, characteristic phrases, time-of-day, and mood. - [The 10 Thaats](https://www.web-harmonium.online/learn/thaat): Bhatkhande's classification of Hindustani parent scales. - [Rhythm and Taal](https://www.web-harmonium.online/learn/rhythm): Matra, vibhag, taal structure, bols, common taals (Teentaal, Ektaal, Jhaptaal, Rupak, Dadra). - [Famous Players](https://www.web-harmonium.online/learn/players): Pandit Govindrao Tembe, Purushottam Walawalkar, Tulsidas Borkar, Jnanprakash Ghosh. ## Long-Form Tutorials (Blog) ### Tuning and Maintenance - [How to Tune a Harmonium at Home: 440 Hz vs 432 Hz](https://www.web-harmonium.online/blog/how-to-tune-harmonium-at-home): Full DIY tuning guide, reference pitch selection, reed filing technique, beeswax adjustment, 2-4 hour first tune expectation. - [Why Does My Harmonium Sound Flat? 5 Common Causes](https://www.web-harmonium.online/blog/why-harmonium-sounds-flat): Diagnostic for stuck reeds, humidity damage, bellows technique, tuning drift, structural warping. 70% of flat-sound complaints are single stuck reeds. ### Notation and Theory - [Sargam to Western Notation: Complete Converter Guide](https://www.web-harmonium.online/blog/sargam-to-western-notation): Full 12-note mapping Sa = C, komal/shuddh/tivra explanation, octave dots vs numbers, reading bhajan scores. - [The 10 Thaats Explained with Audio Examples](https://www.web-harmonium.online/blog/10-thaats-explained): All 10 parent scales with notes, example ragas, moods, and Western mode equivalents. ### Ragas and Learning Paths - [Which Raga Should I Learn First? A Beginner's Decision Path](https://www.web-harmonium.online/blog/which-raga-to-learn-first): 5-raga sequence (Yaman, Bhairav, Bhimpalasi, Kafi, Malkauns) with criteria and progression checkpoints. ### Bellows Technique and Rhythm - [Tabla Taal for Harmonium Players: Kaherwa and Teentaal Bellows Sync](https://www.web-harmonium.online/blog/tabla-taal-harmonium-bellows-sync): Harmonium-specific bellows patterns for each common taal, 9-week practice sequence. - [5 Bellows Techniques That Separate Amateur from Pro Harmonium](https://www.web-harmonium.online/blog/advanced-bellows-techniques): Pre-loading, accent pumping, micro-dynamics, swell shapes, breath-sync with vocalists. ### Vocal Accompaniment - [Harmonium vs Keyboard for Bhajan Singing: A Vocalist's Guide](https://www.web-harmonium.online/blog/harmonium-vs-keyboard-bhajan): Sound, voice-training impact, cost, repertoire fit, and three practical decision scenarios. ### Devotional and Song Notation (with Sargam) - [Om Jai Jagdish Hare on Harmonium: Full Sargam Notation](https://www.web-harmonium.online/blog/om-jai-jagdish-hare-harmonium-notes): Complete sthayi + antara sargam notation, Bilawal thaat, Sa = D for mixed voices, Kaherwa taal. - [Hanuman Chalisa on Harmonium: Complete Sargam Guide](https://www.web-harmonium.online/blog/hanuman-chalisa-harmonium-notes): Gulshan Kumar melody, Kafi thaat, opening doha + chaupai template, 5-week practice plan for all 40 verses. - [Playing Bollywood Songs on Harmonium: Method and Public-Domain Example](https://www.web-harmonium.online/blog/bollywood-songs-on-harmonium): 5-step method to convert any hummable Bollywood melody to sargam, worked example on Sare Jahan Se Achha. ## Topic Collections (Blog Tags) - [Ragas Topic](https://www.web-harmonium.online/blog/tag/ragas): All raga-related tutorials and decision guides. - [Technique Topic](https://www.web-harmonium.online/blog/tag/technique): Bellows control, fingering, taal synchronization, advanced accompaniment. - [Beginner Topic](https://www.web-harmonium.online/blog/tag/beginner): Complete starter curriculum from tuning to first repertoire. ## Historical and Editorial (Archive) - [Evolution of the Bellows](https://www.web-harmonium.online/blog/evolution-of-bellows): History of free-reed mechanisms from Kratzenstein to Debain to hand-pumped Indian adaptation. - [Tuning the Virtual Harmonium](https://www.web-harmonium.online/blog/tuning-virtual-harmonium): Temperament systems, reed-tuning art, A440 debate in Indian music, digital precision. - [Resonance of Pine vs Teak](https://www.web-harmonium.online/blog/resonance-pine-vs-teak): How cabinet tonewood shapes harmonic character. - [Lost Blueprints of the 19th Century](https://www.web-harmonium.online/blog/lost-blueprints-19th-century): Debain, Alexandre, Mustel — the French masters of the harmonium. - [Tactile Interfaces in a Flat World](https://www.web-harmonium.online/blog/tactile-interfaces-flat-world): Design philosophy of Web Harmonium — skeuomorphism vs flat vs material honesty. ## Contact and Policy - [Home](https://www.web-harmonium.online/): Product overview and FAQs. - [About](https://www.web-harmonium.online/about): Project background and mission. - [Blog Index](https://www.web-harmonium.online/blog): Journal archive with category filters. - [Contact](https://www.web-harmonium.online/contact): Support and inquiries. - [Terms](https://www.web-harmonium.online/terms): Terms of service. - [Privacy Policy](https://www.web-harmonium.online/privacy): Data handling and cookies. - [Image Credits](https://www.web-harmonium.online/credits): Attribution for all external images, organized by license (CC BY-SA 4.0 / 3.0, GFDL, Public Domain). ## Languages This site publishes in English (default), Hindi (/hi/...), and Chinese (/zh/...). All articles and tag pages above are available in all three languages by prefixing the locale.