tanpura

The tanpura (; also referred to as tambura, tanpuri, tamboura, or tanpoura) is a long-necked, plucked, four-stringed instrument originating in the Indian subcontinent, found in various forms in Indian music. Visually, the tanpura resembles a simplified sitar or similar lute-like instrument, and is likewise crafted out of a gourd or pumpkin.

The tanpura is not used to play a melody, but to support and sustain the performance of another musician or vocalist, as well as musicians accompanying a dance performance. The instrument's four strings are tuned to specific notes of a given scale or musical key, normally the fifth (Pa; Solfège, “So”) and the root tonic (Sa; “Do”), creating a drone effect. The strings are generally tuned 5-8-8-1. One of the three strings tuned to the tonic is thus an octave below the others, adding greater resonance and depth to the ambient drone.