Dial "S" for Sonny(1570)
Recorded July 21, 1957
Studio Van Gelder Studio, Hackensack, New Jersey
Sonny Clark – piano
Art Farmer – trumpet (tracks 1–5 and 7)
Curtis Fuller – trombone (tracks 1–5 and 7)
Hank Mobley – tenor saxophone (tracks 1–5 and 7)
Wilbur Ware – bass
Louis Hayes – drums