jazzmetalguitar02-05-2006, 11:55 AMok....math-core is as the article described it technical hardcore based around the spontanaiety of time signature changes...so...there are...as the article said two main sub-sub-genres of mathcore...blues influenced and jazz influenced...there for botch and coalesce and the bands they heavily influenced such as norma jean and the chariot are blues-based math-core