Cornell Luther Dupree was an American jazz and R&B guitarist. He worked at various times with Aretha Franklin, Bill Withers, Donny Hathaway, King Curtis, and Steve Gadd, appeared on Late Night with David Letterman, and wrote a book on soul and blues guitar, Rhythm and Blues Guitar. He reportedly recorded on 2,500 sessions.

John Robert "Joe" Cocker was an English singer known for his gritty, bluesy voice and dynamic stage performances that featured expressive body movements. Most of his best known singles, such as "Feelin' Alright?" and "Unchain My Heart", were recordings of songs written by other song writers, though he composed a number of songs for most of his albums as well, often in conjunction with songwriting partner Chris Stainton.