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a&r [artist & repertoire] Bob Shad
bass Scott LaFaro
coordinator [album] Arpena Spargo
design [album] Murray Stein
drums Roy Haynes
engineer [original recording] Al Weintraub
engineer [original recording] Bill McMeekin
engineer [re-recording] John Cue
liner notes Nat Hentoff
mastered by Hal Diepold
tracks a1, a2, b2, b3 piano Tommy Flanagan
tracks a3, b1 piano Wynton Kelly
producer Irving Joseph
trumpet Booker Little
typography The Composing Room, Inc.
tracks a1 to b2 written-by Booker Little
Recorded April 13, 15, 1960.

Original US Time Mono pressing, also released in stereo S/2011
Matrix / Runout: L90P-5690 (Side A Label )
Matrix / Runout: L90P-5691 (Side B Label )
Matrix / Runout: L90P 5690 N1 (Side A Runout [Stamped])
Matrix / Runout: L90P 5691 N1 (Side B Runout [Stamped])