Miles Davis album from 1958. It was recorded with his "first great quintet" augmented as a sextet.

Tracklist:
A1 Dr. Jekyll 5:50
A2 Sid's Ahead 13:07
A3 Two Bass Hit 5:15
B1 Milestones 5:44
B2 Billy Boy 7:15
B3 Straight, No Chaser 10:42