Basie was an American jazz pianist and composer who became one of the premier swing bandleaders of his time. After working in dance halls and vaudeville in New York City, Basie moved to Kansas City, a major jazz center, where he formed his own band. Under his leadership, they broadcast from the Reno Club in Kansas City, where a radio announcer dubbed him “Count.” According to one story, the band came up with what signature song while improvising to fill time on the radio show? Discuss