Shitmat is the performing name of Henry Collins, a breakcore artist from Brighton, UK. His music is largely based around the Amen break, Gabber, Plunderphonics, jungle and drum 'n' bass. Like other similar breakcore acts, Shitmat is something of a crossover artist with people who are not normally associated with breakcore and other genres of electronic music, such as heavy metal fans. His music, sometimes referred to as "Mashcore", is known for the