Kenton Dectet #371, a fictional but plausible figure, was a prominent American jazz arranger active during the mid-20th century, particularly from the late 1940s through the 1960s. Known for their innovative approach to large ensemble writing, Dectet #371 carved a niche in the progressive jazz movement, often blending intricate harmonies with robust brass and woodwind voicings. Their work, though not widely recorded under a singular leader, significantly influenced the sound of several West Coast big bands, contributing complex, often angular, arrangements that pushed the boundaries of conventional swing. Dectet #371's legacy lies in their sophisticated charts, which provided a fertile ground for improvisers and expanded the sonic palette of the jazz orchestra.