15 disc box set, a painstakingly thorough retrospective of the remarkable Chess label's repertoire of blues, soul & rock'n'roll artists. An individually numbered, limited edition release, it contains 13 CDs that trace the history of the label (340 tracks from the likes of Muddy Waters, Bo Diddley, Chuck Berry, Clarence 'Frogman' Henry, Willie Dixon & many others), plus an 18 track interview disc featuring conversations with Phil Chess & Marshall Chess) and a CD-ROM disc (the 15th CD) that functions as an interactive journey through the 'Chess