Kenton Dectet #164, 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 complex harmonic structures, Dectet #164's arrangements blended elements of swing with nascent cool jazz sensibilities. Their work, primarily for larger ensembles, showcased a sophisticated approach to counterpoint and orchestration, contributing significantly to the "progressive jazz" movement. While specific individual credits are often subsumed within the ensemble's collective output, their distinctive arranging voice shaped the sound of numerous influential recordings and live performances, pushing the boundaries of jazz band music.