Overview
The mridangam is an ancient percussion instrument from the Indian subcontinent. Traditionally regarded as a royal instrument with roots in the south Indian state of Tamil Nadu, it occupies a central place in the classical music traditions of southern India.
In Carnatic music, the classical tradition of south India, the mridangam serves as the primary rhythmic accompaniment in an ensemble. It supports vocalists and instrumentalists by maintaining the tala, or rhythmic cycle, and also features in solo segments where the player demonstrates intricate rhythmic patterns.
A modified form of the instrument, known as the pakhawaj, functions as the primary percussion instrument in dhrupad, one of the oldest forms of Hindustani classical music. The kendang, played in Maritime Southeast Asia, is another related instrument, reflecting the wider regional connections of this percussion family.
In Carnatic percussion ensembles, the mridangam is often accompanied by other traditional instruments such as the ghatam (a clay pot), the kanjira (a small frame drum) and the morsing (a jaw harp). Together, these instruments produce layered rhythmic textures that are a distinctive feature of south Indian classical performance.
References
Adapted from the English Wikipedia article on the Mridangam (source).