Mose John Allison Jr. was an American jazz and blues pianist, singer, and songwriter. He became notable for playing a unique mix of blues and modern jazz, both singing and playing piano. After moving to New York in 1956, he worked primarily in jazz settings, playing with jazz musicians like Stan Getz, Al Cohn, and Zoot Sims, along with producing numerous recordings.

Al Cohn was an American jazz saxophonist, arranger and composer. He came to prominence in the band of clarinetist Woody Herman and was known for his longtime musical partnership with fellow saxophonist Zoot Sims.