 He also joined the Allman Brothers Band as a guitar tech for awhile and sat in on guitar at least 3 times for performances of (In Memory of) Elizabeth Reed at the Beacon Theatre in New York in March 1999.He was the brother of musician Brett Cartwright, who has played bass guitar for Joan Jett, David Johansen, and Shayne Fontayne.Brett Cartwright also toured as Foghat's bassist during the late 1980s.