The Surpeti, or Shruti Box, provides the steady drone that anchors Indian classical music, helping maintain pitch and tonal stability during riyaz or performance. Once hand-operated, it's now available in digital form, offering adjustable pitch and volume—blending tradition with modern convenience for musicians everywhere. Also known as an electronic shruti box, this online surpeti lets you set your Sa, adjust speed and volume, and keep a steady reference pitch for daily riyaz - a simple, portable alternative to a physical shruti box or tanpura.
The Surpeti, or Shruti Box, provides the steady drone that anchors Indian classical music, helping maintain pitch and tonal stability during riyaz or performance. Also known as an electronic shruti box, this online surpeti lets you set your Sa, adjust speed and volume, and keep a steady reference pitch for daily riyaz.
A free online surpeti, or shruti box, for riyaz and singing practice. It plays a steady drone at the pitch you choose, in your browser, with no download.
A small reed instrument with bellows, also called a shruti box, that sounds a continuous drone. It is used in Indian music as a pitch reference while singing or playing.
Both give a drone to sing against. The surpeti gives a steady, sustained tone; the tanpura's plucked strings give a richer, shimmering sound. Use whichever you find easier to sing with.
Yes. It is free to use in your browser, with no download or sign-up.
Browsers only play sound after you tap or click on the page, so tap the tool once to start it. Also check that your device isn't on silent and that the volume is up.