Michael Mantler / Carla Bley ‎– 13 & 3/4 (1975)

13 & 3/4 is an avant-garde/big-band album credited to Austrian trumpeter/composer Michael Mantler and American pianist/composer Carla Bley, released in 1975 on WATT Works. The titled is drawn from the two artist’s respective side-long compositions on the album.

Tracklist:
A. Michael Mantler — “13” for Piano and Two Orchestras (22:00)
B. Carla Bley — “3/4” for Piano and Orchestra (23:45)

Credits:
Alto Saxophone – Buddy Pearson, Don Davis
Alto Saxophone, Clarinet – Ken Adams
Baritone Saxophone – Charles Davis, Hamiet Bluiett
Baritone Saxophone, Bassoon – Ken McIntyre
Bass – Bill Rich, Dave Moore, Helen Newcombe, Peter Warren
Bass Clarinet – George Barrow
Bass Trombone – Earl McIntyre
Bassoon – Gail Hightower, Karl Hampton Porter
Cello – Clare Maher, Hank Roberts, Judith Martin, Judy Dolce
Conductor, Written By – Michael Mantler
Flute – Hal Archer, Patrice Fisher, Paul Moen
Flute, Soprano Saxophone – Nicholas Pike
French Horn – Greg Williams, John Clark, Peter Gordon, Bill Warnick
Oboe – Kathy Karlsen, Mike Lewis, Waldemar Bhosys
Piano – Carla Bley
Soprano Saxophone, Bass Clarinet – Courtenay Wynter
Soprano Saxophone, Clarinet – Jim Odgren
Tenor Saxophone – Lou Marini, Richard Peck
Tenor Saxophone, Clarinet – Collin Tilton
Trombone – Gary Brocks, Michael Gibbs, Rex Shrout
Trumpet – Greg Bobulinski, John Eckert, Lauren Draper, Leonard Goines
Tuba – Bob Stewart, Jack Jeffers
Viola – Al Visscher, Deena Leff, Drusilla Tesch, Mona Hector, Virginia Izzo
Violin – Alice Stern, Betty MacDonald, Brian Conklin, Laurie Schaller, Lila Baker, Michael Levine, Noreen Davis, Oskana Lenec

Alto Flute – Paul Moen
Bass – Peter Warren
Bassoon – Frank Nizzari
Cello – Clare Maher, Hank Roberts
Clarinet – Collin Tilton
French Horn – John Clark
Harp – Patrice Fisher
Marimba, Vibraphone, Bells [Orchestra Bells], Percussion [Miscellaneous] – David Samuels
Oboe – Roger Janotta
Piano – Ursula Oppens
Soloist, Piano, Conductor, Written By – Carla Bley
Trombone – Michael Gibbs
Trumpet – Michael Mantler
Tuba – Bob Stewart
Viola – Michael Levine, Mona Hector
Violin – Betty MacDonald, Kathy Seplow