#1-10 : recorded late March or April 1946 in Los Angeles 　　#11-14 : recorded summer 1943 or late summer 1944 in Los Angeles 　　#1-5 and 10 : original 10" LP issue : Lester Young Trio Volume 1 (Mercury/Clef MGC 104) 　　#6-9 : original 10" LP issue : Lester Young Trio Volume 2 (Mercury/Clef MGC 135) 　　#11,13 : original 78 rpm issue : Clef/Mercury 15003 　　#12,14 : original 78 rpm issue : Clef/Mercury 8900 　　Bass [Probably] – Johnny Miller (2) (tracks: 11 to 14), Red Callender (tracks: 11 to 14) 　　Drums – Buddy Rich (tracks: 1 to 6, 8 to 10), Clifford "Juicy" Owens* (tracks: 11 to 14) 　　Piano – Nat King Cole 　　Tenor Saxophone – Dexter Gordon (tracks: 11 to 14), Lester Young (tracks: 1 to 10) 　　Trumpet – Harry "Sweets" Edison* (tracks: 11 to 14)