Two separate sets by clarinitests Albert Nicholas and Herb Hall. The Nicholas set was originally released on LP and was recorded in October 1969 in Birmingham, England. Hall's set is unissued until now and was recorded in March 1981 in London, England. Nine tracks of Nicholoas and five of Hall. Personnel:Tracks [1-9] Albert Nicholas & The John Defferary JazztetAlbert Nicholas, ClarinetJohn Defferary, ClarinetPat Hawes, PianoPaul Sealey, GuitarBill Cole, BassTrevor Richards, DrumsRecorded 1969Tracks [10-14] Herb Hall & The Trevor Richards New Orleans TrioHerb Hall, ClarinetJohn Defferary, ClarinetBob Baerton, PianoAlyn Shipton, BassTrevor Richards, DrumsRecorded 1981.