There are 3 artists under the name of Martyrdom. 1. Martyrdom were a death core band from Sacramento California. Martyrdom was formed in the Spring of 2007 by vocalist Garrett Reid. Signed to Mediaskare Records on January 1st, 2009. Released 1 full length album Titled - Slaying Giants ( 2010) , And later broke up that same year 2. Martyrdom were a black/thrash metal band from Holland, formed in 1992. The band released two demos, “Blackstench” in 1994, and “Sodomy and Crush” in 1995 before disbanding.