Written by Chrissy Mauck for Fender.com As founder and guitar hero of alt-rock pioneers Dinosaur Jr., J Mascis could easily be content with sticking to the sonic formula that’s worked so well for his century-old band, his long string of side projects — Deep Wound, Gobblehoof, Velvet Monkeys, the Fog, Witch and Sweet Apple, and during his innumerable guest sessions...