Derek Varnals Solo Audios All Derek Varnals Media All Derek Varnals Media Engineer A Hard Road (2003 Expanded Edition) (2003) John Mayall And The Bluesbreakers Engineer The Blue Horizon Story 1965-1970 Vol. 1 (1997) Various Artists Rec Eng John Mayall Plays John Mayall: Live At Klooks Kleek (1965) John Mayall And The Bluesbreakers Rec Eng Fiends & Angels (0000) Martha Velez Engineer Blues From Laurel Canyon (0000) John Mayall Rec Eng Angels Of The Future/Past (0000) Martha Velez