The song “Four Brothers” by the Woody Herman Band sounds as if it evolved from swing with the big band sound and implemented bop techniques based on the lack of arrangements and various improvisations. There is only one melody repeated in the song, which is in the first chorus. The rest of the song uses melodic improvisations that do not follow the melody established in the first chorus. Some of the improvisations have a similar sound to the melody established in the first chorus, but the improvisations maintain originality and are not repeated. Mostly saxophones and the occasional trombone harmonize at different times throughout the song to layer the melody in the first chorus and fill out various improvisations. The rhythm section is made
