You know him as the Host of “From the Top” Saturday mornings at 9 on WQED-FM. But he’s also a talented pianist. You can see him perform with the Johnstown Symphony Orchestra this Saturday night, 7:30, at the Pasquerilla Performing Arts Center in Johnstown. He’ll play the Gershwin Rhapsody in Blue. He spoke to Jim Cunningham about the upcoming concert, the latest on From the Top and more.