tracks a1, a3, a4 alto saxophone Lee Konitz
tracks b1 to b6 alto saxophone Sahib Shihab
tracks b1 to b6 baritone saxophone Cecil Payne
tracks b1 to b6 bass Curly Russell
tracks a1 to a4 bass Nelson Boyd
tracks b1 to b6 bongos Carlos Vidal
tracks a1, a4 clarinet Buddy DeFranco
tracks b1 to b6 drums Kenny Clarke
tracks a1 to a4 drums Max Roach
tracks a4 guitar Chuck Wayne
tracks b1 to b6 guitar John Collins
tracks a1 to a4 piano Bud Powell
tracks b1 to b6 piano, arranged by Tadd Dameron
tracks b1 to b6 tenor saxophone Benjamin Lundy
tracks a1, a4 tenor saxophone Budd Johnson
tracks a1, a3, a4 trombone J.J. Johnson
tracks b1 to b6 trombone Kai Winding
tracks a1, a3, a4 trumpet Benny Harris
tracks b1 to b6 trumpet Miles Davis
Recorded At Royal Roost (2)
Same content on Beppo Records ‎– bep 503 also, but with inverted sides. Hard to say which record was released first.

Side One: Royal Roost, New York City, NY on December 19, 1948.
Side Two: Royal Roost, New York City, NY on February 19 (tracks B1 to B4) and 26, 1949 (tracks B5, B6).

Chuck Wayne, listed on cover, is audible on track A4 only.

Details about credits and titles from my complete Miles Davis Day-By-Day Database.
Other: A Good Musical Record From Duck Run, Ohio.