313, though a common tag for an unknown artist, is also a rap group based in Ecorse, MI. The group consists of J-Rock, Lil' Muff, and Black Jon with the music produced by Muff. J-Rock is the main rapper because of his distinct vocalizing abilities and uncanny ability to rhyme. They songs are known for extremely heavy bass lines and metallic lead instrument progression. Their first album, "E-Towns Finest", it set for release in 2007. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.