Artist(s): Arranged By, Conductor, Piano – Gil Evans
Bass – Ben Tucker (tracks: 3), Gary Peacock (tracks: 1), Milt Hinton (tracks: 5), Paul Chambers (3) (tracks: 3 to 5), Richard Davis (2) (tracks: 3 to 5), Ron Carter (tracks: 2, 4)
Drums – Elvin Jones (tracks: 1, 3, 4), Ozzie Johnson (tracks: 5)
Engineer – Bob Simpson (tracks: 2, 4), Phil Ramone (tracks: 3, 5), Rudy Van Gelder (tracks: 1)
Engineer [Director Of Engineering] – Val Valentin
French Horn – Don Corrado (tracks: 3), Gil Cohen (2) (tracks: B1a), Jimmy Buffington (tracks: 5), Julius Watkins (tracks: 1, 3), Ray Alonge (tracks: 1, 4), Bob Northern* (tracks: 5)
Guitar – Barry Galbraith (tracks: 3), Kenny Burrell (tracks: 4)
Harp – Bob Maxwell (tracks: 1), Margaret Ross (tracks: 3)
Liner Notes – Gene Lees
Producer – Creed Taylor
Reeds, Woodwind – Al Block (tracks: 1, 3), Andy Fitzgerald (tracks: 1), Bob Tricarico (tracks: 1, 3 to 5), Eric Dolphy (tracks: 3, 4), Eric Dolphy (tracks: 5), Garvin Bushell (tracks: 4), George Marge (tracks: 1), Jerome Richardson (tracks: 5), Steve Lacy (tracks: 3 to 5), Wayne Shorter (tracks: 1)
Trombone – Frank Rehak (tracks: 1), Jimmy Cleveland (tracks: 3 to 5), Tony Studd (tracks: 3 to 5)
Trumpet – Bernie Glow (tracks: 3), Ernie Royal (tracks: 5), Johnny Coles (tracks: 4, 5), Louis Mucci (tracks: 5)
Tuba – Bill Barber (tracks: 1, 4)
Recording Info: Recorded by Verve Records
Engineers – Bob Simpson (tracks: 2, 4), Phil Ramone (tracks: 3, 5), Rudy Van Gelder (tracks: 1)
3, 5 Recorded September, 1963 at A&R Studios, New York City
2 & 4 Recorded April 6, 1964 at Webster Hall, New York City
1 Recorded July 9, 1964 at Van Gelders Recording Studio, Englewood Cliffs, N.J.
1 The Barbara Song 9:55
2 Las Vegas Tango 6:13
3 The Flute Song 12:25
4 Hotel Me
5 El Toreador 3:30
