tracks a1, a2, b1, b2 bass Curly Russell
tracks a3, a4, b3, b4 bass Tommy Potter
tracks a1 to a3, b1 to b3 composed by Al Cohn
tracks a1, a2, b1, b2 drums Max Roach
tracks a3, a4, b3, b4 drums Tiny Kahn
liner notes H. Alan Stein
tracks a3, a4, b3, b4 piano George Wallington
tracks a1, a2, b1, b2 piano Horace Silver
tenor saxophone Al Cohn
tracks a1, a2, b1, b2 trumpet Nick Travis
Apparently original jackets were still in production after label and pressing changes. Original 1956 issues have red (not burgundy) labels pressed with a 'deep groove' as shown in images.