This unique release detailing the history of the TR-909 is excerpted from the upcoming coffee table book by one of America's foremost collector of drum machines, Joe Mansfield. This special 20 page book filled with original advertising, technical specs and tons of photos will delight collectors and music fans alike. Included are two flexi-discs, one clear and one orange, featuring the sounds of the TR-909, narrated by the great Schoolly D, with cuts by DJ 7L. Also included are instrumental remakes of Schoolly D's hits P.S.K. and Gucci Time.