alto saxophone Paul Desmond
baritone saxophone Gerry Mulligan
bass Joe Benjamin
drums Dave Bailey
liner notes Nat Hentoff
photography by [cover photo] Burt Goldblatt
Title changed to Blues In Time on later releases.

Other: Trumpeter label
Other: Deep groove
Matrix / Runout: MG V-8246-A (50,444) (Label, Side A)
Matrix / Runout: MG V-8246-B (50,445) (Label, Side B)
Matrix / Runout: 50444-MGV-8246 A (Runout, Side A, Etched)
Matrix / Runout: MGV-8246-B (Runout Side B, Etched)