Tracklist
Side 1
A1 The Night We Called It A Day 2:41
A2 Jay Walkin' 3:36
A3 Speak Low 3:16
A4 Relaxo Abstracto 5:23
Side 2
B1 I Can't Get Started 7:10
B2 Free 4:18
B3 Evolution 4:13
Bass – Charles Mingus (tracks: A1 to B1), Curtis Counce (tracks: B2, B3)
Drums – Gerry Segal (tracks: A1 to B1), Shelly Manne (tracks: B2, B3)
Recorded By [Engineer] – Rudy Van Gelder (tracks: A1 to B1)
Tenor Saxophone – J.R. Monterose (tracks: A1 to B1), Jimmy Giuffre (tracks: B2, B3)
Trumpet – Shorty Rogers (tracks: B2, B3)
Vibraphone – Teddy Charles