CH25: Kathleen Supové

The NYC performance artist who’s radically reinventing the piano recital

Photos of flaming grand pianos and vintage uprights smashed to smithereens. YouTube clips of Liberace sledgehammering his ivories on “The Monkees” variety hour. Kathleen Supové gets a kick out of all of it, and thanks you very much, friends and fans, for sending them her way. But her “Exploding Piano” pieces aren’t quite that literal. The contemporary pianist blows up conventions of the instrument’s uses …