 Hancock joined bassist Butch Warren and drummer Billy Higgins in the rhythm section, with Freddie Hubbard on trumpet and Dexter Gordon on tenor saxophone.Hancock's chordal work draws from the gospel tradition, while he builds his solo on repeated riffs and trilled figures.Hancock filled in for pianist Chick Corea in Mongo Santamaría's band one weekend at a nightclub in The Bronx when Corea gave notice that he was leaving.