In our latest episode of "In the Studio", we head into Dinosaur Jr.'s Amherst, Mass., headquarters while they lay down tracks for their new album, tentatively due this summer on Jagjaguwar. Along with full versions of new song "I Don't Wanna Go There" and You're Living All Over Me's "Tarpit", there's also a brief interview in which J Mascis, Lou Barlow, and Murph lead us from the past into the pre