Glassjaw is a post-hardcore band from Hempstead, New York, formed in 1993 by Daryl Palumbo and Justin Beck. Known for their passionate live performances and frequent lineup changes, Glassjaw has played a significant role in shaping the underground post-hardcore scene in both the US and UK. Their debut album, released in 2000 and produced by Ross Robinson, gained them a dedicated following, particularly in the UK. Their breakthrough second album, Worship and Tribute, brought them greater attention in 2002, although health issues and internal challenges affected their touring and output. Glassjaw is also known for their sporadic releases, including standout EPs in 2011 and their acclaimed comeback album, Material Control, in 2017. In 2022, the band marked the anniversaries of their landmark albums with special live shows, underscoring their enduring influence in the genre.