Related Information for Warren Haynes Warren Haynes (born 6 April 1960), guitarist and musician. He is a guitarist for the Allman Brothers Band and is the primary singer, guitarist, and songwriter for Gov't Mule. He also released a solo album in 1992, Tales Of Ordinary MadnessHaynes also spent the summer of 2004 playing with The Dead, a group featuring the remaining members of The Grateful Dead. He was also a member of the longest running lineup of Phil Lesh's "Phil Lesh and Friend's" band, comprised.. read more