J Mascis (born Joseph Donald Mascis on December 10 1965) is an American musician, best-known as the singer, guitarist and songwriter for Dinosaur Jr, though he also has been an occasional producer and film composer. Biography Born in Amherst, Massachusetts, the son of a dentist, Mascis formed the short-lived hardcore group Deep Wound with Lou Barlow and Scott Helland in the early 1980s. He started out on drums,[LINK: http://www.abc.net.au/triplej/music_specials/s1402020.htm] J FILES: Dinosaur Jr / J Mascis but moved to guitar when he went on to found Dinosaur Jr. with bassist Barlow and drummer Emmett Jefferson 'Patrick' Murphy (aka 'Murph') in 1984 and achieved national success. His vocals have been described as "Neil Young-like"[LINK: http://www.allmusic.com/cg/amg.dll?p=amg&sql=11:tzavqj1yojaa~T1] Biography and his guitar riffs as "monolithic." After Mascis