Jerry Cantrell, William DuVall, Shawn Mathews interviewed with Adam Ritz (2002) 

This interview took place on July 19, 2002 before Jerry and his band played the Verizon Wireless Music Center in Noblesville, Indiana
William was a part of a band called Comes With the Fall. They both opened for and backed Jerry in 2002. William played guitar and sang, Adam Stanger was on bass, and Bevan Davies was their drummer.
Shawn Mathews also was apart of Jerry’s band, he played guitar and sang as well. They explain how he joined in the beginning of the interview.
This is not my video, it was found on a fan website. This is uploaded by a fan for fellow fans!🤘