Tanpura Drone: The Complete Guide
A tanpura doesn't play melody — it holds a continuous, shimmering drone that every other note in a raga is measured against. This tool recreates that reference: set your Sa, choose Pa or Ma for the second string, and get a looping, cycling four-string drone that runs right in your browser, no app or download required.
How does this tanpura drone work?
A real tanpura's characteristic shimmer comes from its strings passing over a specially curved bridge called the jivari, which lets each string buzz in a particular way as it decays after being plucked. This tool approximates that effect using layered, decaying oscillator tones scheduled with the Web Audio API's own precise clock, so each of the four strings is "plucked" in a steady, accurately timed cycle rather than drifting the way ordinary browser timers can.
How to Use the Tanpura Drone
- Set your Sa using the − and + controls to match your voice, instrument, or an accompanying performer.
- Choose Pa or Ma for the second string, based on the raga you're practicing.
- Adjust the cycle speed — a slower cycle gives each string more room to ring out, while a faster cycle creates a denser, busier texture.
- Set the volume to sit comfortably behind your own playing or singing, rather than competing with it.
- Tap "Start Drone" and let it loop continuously in the background while you practice, sing, or play.
The Traditional Four-String Pattern
A standard tanpura has four strings, plucked in a repeating cycle rather than all at once. This tool follows that same traditional order:
| String | Pitch | Role |
|---|---|---|
| 1st | Pa or Ma | The fifth (or fourth) above Sa, chosen to fit the raga |
| 2nd | Sa | Tonic, middle octave |
| 3rd | Sa | Tonic, middle octave, repeated |
| 4th | Sa (mandra) | Tonic, one octave below the middle Sa |
Choosing Between Pa and Ma
The second string is the one traditional choice that changes based on the raga being performed. Ragas that give the fifth (Pa) a strong or stable role are typically accompanied by a Pa-Sa-Sa-Sa tuning. Ragas that de-emphasize or omit Pa — often built more around the fourth degree — are instead accompanied by a Ma-Sa-Sa-Sa tuning. If you're not sure which fits what you're practicing, Pa is the more common default and a safe general-purpose choice.
Why Practice With a Drone at All?
A continuous tonic reference makes it far easier to hear when a note is truly in tune, rather than just close. Singers and instrumentalists in Hindustani and Carnatic traditions train extensively against a tanpura precisely because small intonation errors that might be missed in isolation become obvious against a steady drone. The same principle applies more broadly — practicing scales, gamakas, or even simple long tones against a held Sa sharpens pitch accuracy in a way that practicing alone often doesn't.
Common Tanpura Drone Questions
Why does the drone sound "electronic" compared to a real tanpura?
This is an honest limitation of synthesis rather than a physical instrument — the jivari's buzz is a genuinely complex acoustic effect that's difficult to fully replicate with oscillators alone. This tool is built to give a steady, accurately pitched reference for practice, not to replace the tonal richness of an actual tanpura or a skilled accompanist.
What Sa should I use if I don't know my range?
A comfortable starting point for many voices is somewhere in the C3 to E3 range for lower voices and C4 for higher voices, but there's no single correct answer — the right Sa is simply whatever feels natural and unstrained to sing or play against for an extended period.
Frequently Asked Questions
Is this online tanpura drone free to use?
Yes. This tanpura drone is completely free, runs in your browser, and does not require an account, download, or app install.
Should I choose Pa or Ma for the second string?
It depends on the raga you're practicing. Ragas that emphasize the fifth (Pa) typically use a Pa-Sa-Sa-Sa tuning, while ragas that omit or de-emphasize Pa in favor of the fourth commonly use a Ma-Sa-Sa-Sa tuning instead. If you're unsure, Pa is the more common default for general practice.
How is a synthesized tanpura different from a real one?
A real tanpura's continuous shimmer comes from the jivari, a bridge that lets each string buzz against it in a specific way as it decays. This drone approximates the effect with layered, decaying oscillator tones rather than a physical instrument, so it is a close reference for practice but not a substitute for practicing with an actual tanpura or a live accompanist.
Can I use the tanpura drone for Western practice too?
Yes. A continuous tonic-and-fifth (or tonic-and-fourth) drone is useful for ear training and intonation practice in any tradition, not only Hindustani or Carnatic classical music — simply set Sa to whatever your reference pitch or key center is.
This tool only produces sound — it does not use your microphone, and no audio is recorded, stored, or sent to a server.