Jazz, a veritable melting pot of musical flavors, has a broad definition for good reason. But, if you think you know jazz, Michael Grofsorean is ready to challenge your expectation. He’s the artistic director for the Wells Fargo Jazz series, and he talks with Spoleto Today's Bery Dakers about programming the rhythm of America’s original art form at Spoleto Festival USA, a task that is far from improvisation and anything but standard.