Kenton Dectet #386, an American jazz arranger active during the mid-20th century, was a pivotal figure in the evolution of big band jazz. Known for their innovative and often adventurous harmonic language, Dectet #386’s arrangements pushed the boundaries of the traditional jazz orchestra. Their work frequently featured intricate counterpoint, extended forms, and a sophisticated blend of swing and modern jazz sensibilities. While specific compositions are not widely documented, their contributions to the Stan Kenton Orchestra's sound are undeniable, shaping the ensemble's distinctive "progressive jazz" aesthetic and influencing generations of arrangers.