Album tracks

1. Dr. Jekyll (titled Dr. Jackle on later LP and CD releases) – 5:55 (Jackie McLean)
2. Sid's Ahead – 13:13 (Miles Davis)
3. Two Bass Hit – 5:19 (John Lewis, Dizzy Gillespie)
4. Miles (titled Milestones on later LP and CD releases) – 5:49 (Davis)
5. Billy Boy – 7:19 (Traditional; arranged by Ahmad Jamal)
6. Straight, No Chaser – 10:41 (Thelonious Monk)
7. Two Bass Hit (alternate take) – 4:29
8. Milestones
9. Straight, No Chaser