Diecast is a Boston-based metalcore band. They recorded their first demo in 1997, titled Perpetual War. They released their first full-length in 1998 titled Undo the Wicked. In 1999 a self-released sampler was made. With some lineup changes, they released Day of Reckoning in 2001, and enjoyed much more popularity outside of Boston. In 2004, and re-released in 2006, their most acclaimed album was released, Tearing Down Your Blue Skies, which garnered them opening spots on tours with bands such as Slayer.