Glassjaw is a five-piece hardcore band from Long Island, NY formed by lead singer Daryl Palumbo and guitarist Justin Beck. Glassjaw has undergone some line up changes, including original drummer Sammy Siegler was replaced by Larry Gorman. Manuel Carrero was replaced by bassist Dave Allen.

The Glassjaw lineup has since changed after the release and touring of Worship And Tribute. Currently, Bassist Manuel Carrero is back onboard, along with Durijah Lang on drums. Durijah was a member of Glassjaw prior to any major-label releases, he is also current drummer for the band Classic Case. Secondary Guitarist, Todd Weinstock has left the band to form the band Men, Women And Children.