There is a 2nd volume, Pacific Jazz Collection II which I have. It has Gerry Mulligan-Mulligan Vol.1, Gerry Mulligan and Chet Baker- Mulligan-Baker,Bud Shank-Bud Plays Tenor, Bob Brookmeyer-Streetswingers, The Richard Twardzik & Russ Freeman Trios, and Chico Hamilton-Spectacular Ane More.