Chris Mercer Solo AudiosJohn Mayall And The Bluesbreakers Audios All Chris Mercer Media John Mayall And The Bluesbreakers Audios Select OneOfficial Albums All John Mayall And The Bluesbreakers (w/ Chris Mercer) Audios Other Group Releases Other Solo Releases Various Artists Multidisc Releases Official Albums: Official Crusade (1967) John Mayall And The Bluesbreakers