Adam Swanson, the four-time winner of the World Championship Old-Time Piano Playing Contest presents an evening of unadulterated musical fun at Bates College. 7:30 p.m. Thursday, Sept. 21, Olin Arts Center Concert Hall, 75 Russell St.  Tickets are $10, available at batesconcerts.eventbrite.com. FMI: 207-786-6135 or [email protected].