Himalayan Academy of Sound on Instagram: "A Shruti box is a musical instrument commonly used in Indian music. It is a small, portable instrument that produces a continuous drone or sustained note. The box typically consists of wooden or metal housing with reeds inside. By controlling the opening or closing of the reeds, the player can produce different pitches or notes. The Shruti box is used as an accompanying instrument in Indian classical music and is also popular in devotional and meditation