It is used as an accompaniment to other instruments and notably the flute. Use of the shruti box has widened with the cross-cultural influences of world music and new age music to provide a drone for many other instruments as well as vocalists. Shruti boxes provide a rich drone background that supports singing or playing almost any instrument. A shruti box is hand-pumped, so you can produce a slightly pulsating constant chord to support the right rhythm for the style of music you are playing.Size : 43 x 8 x 38 cm. SHRUTI BOX with CARRYING BAG. Note: Color of the actual product may be slightly different from the displayed images as we use natural color polish. The item "Shruti Box 36 Drone Chopra Brand Hand Made Indian Musical Instrument 3.3" is in sale since Monday, February 3, 2020. This item is in the category "Musical Instruments\Accessories & Equipment\Metronomes". The seller is "musikindia" and is located in India. This item can be shipped worldwide.