NEW RIDERS OF THE PURPLE SAGE New Riders Of The Purple Sage / Powerglide (2009 UK 21-track 2-CD album set, compiling the 1st and 2nd longplayers from the legendary country rockers, originally released in 1971 and 1972 respectively - the 1st eponymous album features Grateful Dead frontman and founder, Jerry Garcia, who left the band not long after the recording for the LP [although he's a guest musician on the follow-up 'Powerglide'])