tracks 2-8 to 2-14 alto saxophone Hubert Rostaing
tracks 1-1 to 1-11, 1-13 to 1-16 alto saxophone Jean Aldegon
tracks 2-1 to 2-7 alto saxophone Pierre Gossez
tracks 2-17 to 2-26 alto saxophone, bass clarinet Hal McKusick
tracks 1-1 to 1-6, 2-1 to 2-14 arranged by, conductor André Hodeir
tracks 1-1 to 1-16, 2-1 to 2-14 baritone saxophone Armand Migiani
tracks 2-17 to 2-26 baritone saxophone, clarinet, bass clarinet Jay Cameron
tracks 2-16 bass Emmanuel Soudieux
tracks 2-17 to 2-26 bass George Duvivier
tracks 1-1 to 1-19, 2-1 to 2-15 bass Pierre Michelot
tracks 2-17 to 2-26 drums Bobby Donaldson
tracks 1-7 to 1-16, 2-1 to 2-14 drums Christian Garros
tracks 1-1 to 1-6 drums Jacques David
tracks 1-17 to 1-19, 2-15 drums Kenny Clarke
tracks 2-16 drums Richie Frost
tracks 2-17 to 2-26 ensemble André Hodeir
tracks 2-17 to 2-26 flute Bobby Jaspar
tracks 2-15 flute Raymond Guiot
liner notes Gunther Schuller
liner notes, executive-producer Jordi Pujol
tracks 1-17 to 1-19, 2-15 piano Martial Solal
tracks 2-17 to 2-26 piano, vibraphone Eddie Costa
tracks 1-1 to 1-6, 2-17 to 2-26 tenor saxophone Bobby Jaspar
tracks 1-7 to 1-19, 2-1 to 2-14 tenor saxophone Georges Grenu
tracks 2-1 to 2-7 trombone André Paquinet
tracks 2-17 to 2-26 trombone Frank Rehak
tracks 1-1 to 1-11, 1-13 to 1-19, 2-8 to 2-14 trombone Nat Peck
tracks 1-1 to 1-6 trumpet Buzz Gardner
tracks 2-1 to 2-14 trumpet Christian Bellest
tracks 2-17 to 2-26 trumpet Donald Byrd
tracks 2-17 to 2-26 trumpet Idrees Sulieman
tracks 1-1 to 1-16 trumpet Jean Liesse
tracks 1-7 to 1-19, 2-1 to 2-14, 2-16 trumpet Roger Guérin
tracks 1-1 to 1-14 vibraphone Sadi
tracks 2-1 to 2-14 vibraphone, percussion Jean-Pierre Drouet
tracks 2-26 vocals Annie Ross
tracks 2-1 to 2-7 vocals Christiane Legrand
written-by, liner notes André Hodeir
All titles composed by André Hodeir, unless indicated.
Sources CD 1:
Tracks #1-6, from the 10-inch album “Essais d’André Hodeir” (Swing M 33353)
Tracks #7-16, from the album “Le Jazz Groupe de Paris joue André Hodeir” (Vega V 30 M 572)
Tracks #17-19, from the album “Jazz et Jazz – Nouvelles oeuvres d’André Hodeir”(Fontana 680.208 ML)

Sources CD 2:
Tracks #1-16, from the album “Jazz et Jazz – Nouvelles oeuvres d’André Hodeir”(Fontana 680.208 ML)
Tracks #17-20 & 22-26, from the album “American Jazzmen Play Hodeir’s Essais”(Savoy MG 12104)
Track #21, was included as a bonus on the album “Billy Ver Planck and His Orchestra – Dancing Jazz” (Savoy MG 12101)
Barcode: 8427328609456