James Peter Giuffre was an American jazz clarinetist, saxophonist, composer, and arranger. He is known for developing forms of jazz which allowed for free interplay between the musicians, anticipating forms of free improvisation.

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.