Double Bass – Paul Chambers
Drums – Max Roach
Piano – Tommy Flanagan
Trombone – J.J. Johnson

Recorded：1957 September 29, October 7
Stan Getz – tenor saxophone (except "Yesterdays")
J.J. Johnson – trombone (except "It Never Entered My Mind")
Oscar Peterson – piano
Herb Ellis – guitar
Ray Brown – double bass
Connie Kay – drums

Recorded September 24, 1954 (for later compilations add June 6, 1955; June 22, 1953)
1953 June 22 recording session ("Turnpike", "Capri", "It Could Happen To You")
J.J. Johnson – trombone
Clifford Brown – trumpet (except "It Could Happen To You")
Jimmy Heath – tenor saxophone, baritone saxophone (except "It Could Happen To You")
John Lewis – piano
Percy Heath – bass
Kenny Clarke – drums
1954 September 24 recording session ("Jay", "Time After Time", "Old Devil Moon", "Too Marvelous For Words", "It's You Or No One", "Coffee Pot")
J.J. Johnson – trombone
Wynton Kelly – piano
Charles Mingus – bass
Kenny Clarke – drums
Sabu Martinez – congas (except "It's You or No One" and "Time After Time")
1955 June 6 recording session ("'Daylie' Double", "You're Mine, You", "Pennies From Heaven", "Groovin'", "Viscosity", "Portrait of Jennie")
J.J. Johnson – trombone
Hank Mobley – tenor saxophone
Horace Silver – piano
Paul Chambers – bass
Kenny Clarke – drums

Recorded June 22, 1953 and September 24, 1954
1953 June 22 recording session. LP tracks 1~5 and all CD tracks:
J.J. Johnson – trombone
Clifford Brown – trumpet (except "It Could Happen To You")
Jimmy Heath – tenor saxophone, baritone saxophone (except "It Could Happen To You")
John Lewis – piano
Percy Heath – bass
Kenny Clarke – drums
1954 September 24 recording session. LP tracks 6~10:
J.J. Johnson – trombone
Wynton Kelly – piano
Charles Mingus – bass
Kenny Clarke – drums
Sabu Martinez – congas (except, "It's You or No One")

Part of the Impulse Best 50! Series. Japanese exclusive 24-bit 96khz digitally remastered reissue of 1964 album. Packaged in a limited edition miniature LP sleeve.