tracks a2 to b6 bass Gary Mapp tracks a1 bass Percy Heath tracks a1, a2, b1 to b4 drums Art Blakey tracks a3, a4, b5, b6 drums Max Roach liner notes Martin Williams piano Thelonious Monk recorded by Rudy Van Gelder supervised by Bob Weinstock Record Company Prestige Records Inc. Lacquer Cut At Van Gelder Studio, Englewood Cliffs, New Jersey Published By Barthel Music Published By Crawford Music Published By Robbins Music Published By Bourne Music Co. Matrix / Runout: PRST-7508-A VAN GELDER (Side A) Matrix / Runout: PRST-7508-B (Side B) Rights Society: ASCAP (A2, B2, B6)