Bummer! (1973)

aka’s: The Sadist/Bummer: A Far Out Trip Through A Hard Rock Tunnel

Take three hot-to-trot groupies (Connie Strickland, Carol Speed and Diane Lee Hart), mixing well with the 1970’s L.A. Rock scene, add plenty of sex, drugs and violence, then watch as it all explodes into one big Bummer! The manager of a rock band fires the drunken, psycho bass player (Dennis Burkley), who goes on a rape and murder spree. Also stars Kipp Whitman.