Warren Haynes is an American musician, singer and songwriter. He is best known for his work as longtime guitarist with the Allman Brothers Band and as founding member of the jam band Gov't Mule. Early in his career he was a guitarist for David Allan Coe and The Dickey Betts Band. Haynes also is known for his associations with the surviving members of the Grateful Dead, including touring with Phil Lesh and Friends and the Dead. In addition, Haynes founded and manages Evil Teen Records.

"Two of a Kind, Workin' on a Full House" is a song co-written by Warren Haynes, Dennis Robbins, and Bobby Boyd. It was originally recorded by Robbins himself in 1987 for MCA Records and charted at number 71 on the Billboard country charts. The B-side to Robbins' version was "The Church on Cumberland Road," which was later a number-one hit in 1989 for Shenandoah.