Jimmy Rowles - piano; Milt Hinton - bass; Bobby Rosengarden - drums; Zoot Sims - tenor sax (tracks 2, 3); Ruby Braff - trumpet (tracks 5, 7, 8, 10, 12); Wayne Wright - guitar (tracks 5, 7, 8, 10, 12); George Duvivier - bass (tracks 5, 7, 8, 10, 12); Ray Bryant - piano (5, 7, 8, 10, 12); Lionel Hampton - vibraphone (track 7, 8, 10, 12); Buddy Tate - tenor sax (track 7, 8, 10, 12, 15, 17, 19, 21, 22); Teddy Wilson - piano (tracks 15, 17, 19, 21, 22); Harry "Sweets" Edison - trumpet 15, 17, 19, 21, 22); Vic Dickenson - trombone (tracks 15, 17, 19, 21, 22); Jo Jones - drums (tracks 15, 17, 19, 21, 22); Buck Clayton - trumpet (track 21, 22); guest speakers:; George Wein; John Hammond