It’s rare to think of a music instrument as a clown. An instrument of subversion. Or an act of feminism. For SUMANA CHANDRASEKHAR — ghatam virtuoso, iconoclast, and one of only 10 women players in the world — the ghatam is all three. Watch her evoking the mesmeric heartbeat of the earth. Explore the story of this ancient instrument first mentioned in the Ramayan. And share how she was literally summoned by the unknown to play.