Online Tanpura
Use FluteSangam's online tanpura for flute, bansuri and vocal practice. Play a steady drone for sargam, alankars, ragas and daily riyaz.
Overlapping circle: 1 (Pa) → 2 (Sa') → 3 (Sa') → 4 (Kharaj)
Instant Classical Raga Tanpura Presets
Tap any raga to auto-set Sa, 1st string tuning, and pitch register.
Pa is essential resting swara (Vadi/Samvadi Ga-Ni)
Pancham anchors the Audav pentatonic scale
Pa drone anchors the scale while Ma serves as the soulful Vadi swara
Pa is omitted (varjit); tuned to Shuddha Ma
Madhyam (Ma) is the Vadi swara
Pa is omitted; Shuddha Ni resolves to Komal Re
Pa anchors Komal Re and Komal Dha
Pa-Sa provides foundational stability
Pa anchors Komal Ga and Komal Ni
Pa anchors Tivra Ma and Komal Dha
The Acoustic Science of the Tanpura in Indian Classical Music
In Indian classical music (Hindustani & Carnatic traditions), the Tanpura (Tambura) is not a rhythmic or melodic accompaniment—it is the supreme tonal reference of the universe (Nada Brahma). While western keyboard instruments rely on 12-Tone Equal Temperament (12-TET), Indian music is rooted in Just Intonation (22 Shrutis), where intervals are based on whole integer ratios derived from the natural overtone series.
The Curved Bridge (*Ghoraj*) & *Jivari* Thread
The secret to the Tanpura’s mesmerizing sound lies in its wide, gently curved wooden bridge (*Ghoraj*) and a fine cotton or silk thread (*Jivari* or *Jawari*) placed beneath each string. When plucked, the string’s vibration periodically grazes the curved surface, generating a dense cascade of upper harmonic partials (1st fundamental through 16th harmonic).
Natural Overtone Bloom (*Gandhar* & *Pancham Bhava*)
As the two middle strings (*Jodi 1* and *Jodi 2*) ring in unison with microscopic detuning (~0.4 Hz), their acoustic wave collision physically generates the 5th harmonic (pure *Shuddha Gandhar* at a 5:4 frequency ratio) and the 3rd harmonic (pure *Pancham* at a 3:2 ratio), filling the room with an enchanting shimmer without any finger pressing frets.
Structured 40-Minute Daily Bansuri Practice Routine (Riyaz)
Practicing flute with a continuous Tanpura drone transforms casual blowing into disciplined Swar Sadhana. Follow this 4-step daily curriculum:
Kharaj Sadhana (Mandra Register)
Descend below Madhya Sa into Mandra Saptak (.N, .D, .P, .M). Focus on warm, relaxed lower lip aperture and deep chest resonance matching the 4th string (Kharaj Sa).
Long Note Stability (*Swar Shuddhi*)
Sustain fundamental Sa for 15–20 seconds per breath. Listen intently until your flute note dissolves seamlessly into the Jodi strings with zero acoustic beating.
Alankar Speed & Fingering Drills
Play ascending and descending sargam sequences (Aaroh/Avaroh) across Mandra, Madhya, and Taar saptaks. Keep finger movement minimal and light on the bamboo tone holes.
Raga Chalan, Meend & Gamak
Explore chosen Raga phrases (Pakad and Chalan). Practice smooth glides (*Meend*) by rolling finger cushions across open holes against the Tanpura drone.
First String Tuning Guide: Pa vs Ma vs Ni vs Pure Sa
A classical 4-string Tanpura has three constant strings: String 2 (Sa'), String 3 (Sa'), and String 4 (Kharaj Sa). The First String is calibrated based on the melodic grammar of the Raga:
| 1st String Mode | Acoustic Ratio | When to Use | Popular Example Ragas |
|---|---|---|---|
| Pa (Pancham) | 3:2 (1.5x) | Standard tuning for any raga containing a prominent or regular Pancham swara. | Yaman, Bhoopali, Bilawal, Bhimpalasi, Desh, Kafi, Bhairav, Todi, Bihag, Jog |
| Ma (Madhyam) | 4:3 (1.33x) | Used when Pancham (Pa) is omitted (varjit) or when Shuddha Madhyam is the dominant Vadi swara. | Malkauns, Bageshree, Chandrakauns, Megh, Shankara |
| Ni (Nishad) | 15:8 (1.875x) | Used when Pa is omitted and Shuddha Nishad is a primary melodic pillar resolving to Komal Re. | Marwa, Puriya, Sohini, Bhatiyar, Lalit |
| Sa (Shadja) | 1:1 / 2:1 | Double Kharaj string for deep root meditation or fundamental Swar Sadhana. | Puriya Dhanashree (alternative), Meditative Sadhana |
Bansuri Flute Scale to Tanpura Sa Calibration Guide
When playing the Indian bamboo flute (Bansuri), Sa is produced when the top 3 finger holes are closed (in classical Hindustani convention). Match this Tanpura tool’s Root Pitch (Sa) directly to your flute’s tonic:
Frequently Asked Questions on Tanpura Practice
More Practice Tools on FluteSangam
Combine the Tanpura drone with our interactive tuner, metronome, fingering chart, and alankar generator for a complete bansuri sadhana studio: