Herbert Jeffrey Hancock (born April 12 1940 in Chicago, Illinois) is an award winning American jazz pianist and composer. Hancock is one of jazz music's most important and influential pianists and composers. He embraced elements of rock, funk, and soul while adopting freer stylistic elements from jazz.

Roy Ayers (born September 10, 1940) is an American funk, soul, and jazz composer, vibraphone player, and music producer.