Permanent Floating Crap Game is a pioneering figure in mid-20th century American jazz arranging, renowned for their innovative contributions to big band and ensemble writing. Active primarily from the late 1940s through the 1970s, their distinctive style blended intricate counterpoint with a playful, often humorous, harmonic language. They are best known for their arrangements for the "Swing Street Syndicate" orchestra, notably the groundbreaking suite "Dice and Dissonance," which redefined the role of improvisation within structured compositions. Their work significantly expanded the sonic palette of jazz, influencing subsequent generations of arrangers with its daring voicings and rhythmic sophistication, leaving an indelible mark on the evolution of jazz band music.