Ragtime Piano Concert, WBAI-FM Studio, 359 East 62nd Street, New York, New York. Participants include Bill Bolcom (frames 3-4, 19-20), Dave Jasen (frames 5-7, 10, 13, 16), Dan Paget (frames 8-9, 17-18) and Ken Cooper (frames 11-12). Photos by Bill Andrews.: Apr 11, 1971