David Z (Rivkin) Solo AudiosSupersonic Productions Inc Audios All David Z (Rivkin) Media All David Z (Rivkin) Media Guest Essentially John Mayall (2006) John Mayall Guest Along For The Ride (2001) John Mayall Produced Wander This World (1998) Jonny Lang Guest Heavy Love (1998) Buddy (George) Guy Guest Standing In My Shoes (1997) Leo Kottke Guest Lie To Me (1997) Jonny Lang Guest What's In It For Me (0000) Bekka Bramlett Produced Coast To Coast (0000) Paul Shaffer