bass Charles Mingus
drums Art Taylor
liner notes Cedric Malin
piano John Lewis
trombone Bennie Green
trombone J.J. Johnson
trombone Kai Winding
trombone Willie Dennis
Also in 1957 music from the session which produced the two Jazz Workshop – Trombone Rapport 10-inch albums was released as one 12-inch album, Four Trombones (DEB-126)

99% reproduction of Hi-Fi Tape Sound

Made in U.S.A.
Matrix / Runout: 126-A (Runout Side A)
Matrix / Runout: 126-B (Runout Side B)