Gus Dudgeon Solo AudiosBlue Horizon (Records) Audios All Gus Dudgeon Media All Gus Dudgeon Media Rec Eng The Complete Blue Horizon Sessions (2006) Eddie (Edward Riley) Boyd Rec Eng A Hard Road (2003 Expanded Edition) (2003) John Mayall And The Bluesbreakers Rec Eng The Blue Horizon Story 1965-1970 Vol. 1 (1997) Various Artists Engineer London Blues: 1964-1969 (1992) John Mayall Engineer Crusade (1967) John Mayall And The Bluesbreakers Guest A Hard Road (1967) John Mayall And The Bluesbreakers Rec Eng John Mayall Plays John Mayall: Live At Klooks Kleek (1965) John Mayall And The Bluesbreakers Engineer Raw Blues (0000) Various Artists Rec Eng Blues: The British Connection (0000) Various Artists Engineer The First Five Years (0000) John Mayall Guest King Brilliant (0000) Howard Werth & The Moonbeams Engineer Bluesbreakers With Eric Clapton (0000) John Mayall And The Bluesbreakers Engnrd History Of British Blues (0000) Various Artists Produced Sounds Of The Seventies: 1976 (0000) Various Artists Writer White Boy Blues (0000) Various Artists Rec Eng Eddie Boyd And His Blues Band Featuring Peter Green (0000) Eddie (Edward Riley) Boyd