John Haley "Zoot" Sims was an American jazz saxophonist, playing mainly tenor but also alto saxophone. He first gained attention in the "Four Brothers" sax section of Woody Herman's big band, afterward enjoying a long solo career, often in partnership with fellow saxmen Gerry Mulligan and Al Cohn.

Woodrow Charles Herman was an American jazz clarinetist, saxophonist, singer, and big band leader. Leading groups called "The Herd", Herman came to prominence in the late 1930s and was active until his death in 1987. His bands often played music that was cutting edge and experimental; their recordings received numerous Grammy nominations.