alto saxophone Paul Desmond
tracks 2-1 to 2-7 baritone saxophone Gerry Mulligan
tracks 2-1 to 2-7 bass Joe Benjamin
tracks 1-1 to 1-7 bass Percy Heath
tracks 1-1 to 1-7 drums Connie Kay
tracks 2-1 to 2-7 drums Dave Bailey
tracks 1-1 to 1-7 electric guitar Jim Hall
liner notes [reissue] Peter Gamble
tracks 1-1 to 1-7 producer Bob Prince
tracks 2-1 to 2-7 producer Norman Granz
reissue producer Glenn Gretlund
Phonographic Copyright (p) Not Now Music Limited
Copyright (c) Not Now Music Limited
Tracks 1-1 to 1-7 recorded in New York City, September 5-7, 1959.
Tracks 2-1 to 2-7 recorded at Capitol Records Studio, Los Angeles, CA, and Fine Sound Studio, New York City, August 2 and 27, 1957.

When originally released in 1958, the album Blues In Time was called Gerry Mulligan Paul Desmond Quartet.
On the album is a track called Blues In Time. For whatever reason, probably marketing, at some point a decision was made to name the album Blues In Time. But Blues In Time was not the name of the album when it was first released.

Barcode: 5060143494628