Progressive Jazz Personnel

Alto sax
George Weidler
Art Pepper

Tenor sax
Bob Cooper
Warner Wiedler

Bari sax
Bob Gioga

Trumpet
Buddy Childers
Chico Alvarez
Ray Wetzel
Al Porcino, replaced by Conte Candoli (February 1948)
Ken Hanna, replaced by Ed Badgley (20 April 1948 - at Civic Opera in Chicago; Hanna left after the 22nd, making 6 trumpets for those two nights)


Al Mattaliano, subbed for Wetzel at Paramount Theatre (portion of run December 1947/January 48)
Bob Lymperis, subbed for Wetzel at Capitol Theatre, Detroit (7-13 May 1948)

Trombone
Milt Bernhart, replaced by Parke Groate (1 September 1948) *
Eddie Bert, replaced by Harry DiVito (22 April 1948)
Harry Betts
Harry Forbes
Bart Varsalona, left on 4 December for his wedding and honeymoon; Down Beat reports Kai Winding was his replacement, joining on 3 Dec.

* Kai Winding filled in for the ailing Bernhart at the Adams theater (26 Feb-3 March 1948).

Groate was fired in early November, and it is unclear who filled in after that.

Piano
Stan Kenton

Guitar
Laurindo Almeida

Bass
Eddie Safranski, replaced by Oscar Pettiford (24 Nov - 14 Dec 1948)

Drums
Shelly Manne, replaced by Irv Kluger (6 April - 19 October 1948)

Bongo
Jack Costanzo

Conga
Carlos Vidal (added 17 Nov - 14 Dec 1948)

Vocal
June Christy

Arranger
Pete Rugolo
Bob Graettinger
Ken Hanna

Al Porcino, Buddy Childers, Ray Wetzel, Ken Hanna, Chico Alvarez

Harry Forbes, Harry DiVito, Milt Bernhart, Harry Betts, Bart Varsalona