Deep Purple 1967-1976 Rock Review is a critical retrospective with Glenn Hughes and Nick Simper. This is the powerful independent review of the music that changed the face of rock music for ever. Featuring new in depth interviews with original founder member Nicky Simper and Purple mark III stalwart Glenn Hughes the film draws on rare footage of Purple in concert, in the studio and on the road. Also featured is behind the scenes footage of the band on tour in 1974, the first television appearances by the mark II line up and a rare glimpse of the original mark I line up in concert.