Magrudergrind Concasseur Promo. Magrudergrind magrudergrind songs, reviews, credits.Magrudergrind expresses the single-minded simplicity of their music by keeping their second full-length album following a slew of split eps, compiled on 2005s sixty two trax of thrash, and 2007s rehashed.Grindcore is a fairly basic and straightforward form -- full …