William Bradley DuVall is an American musician, singer, and songwriter. He is best known for being one of the lead singers and guitarists of the rock band Alice In Chains, whom he joined in 2006 prior to original lead singer Layne Staley dying in 2002 of a speedball. As of 2020, Duvall has released three albums with the band and put out his solo debut in 2018. Before joining Alice In Chains, Duvall was a guitarist/vocalist in the hard rock/heavy metal band Comes With The Fall and in an earlier band known as Neon Christ, a hardcore punk group.