Two J Mascis shows from 2011 appear to have recently been liberated by Paste Magazine that were only previously available by subscription to Daytrotter.
J Mascis – Gundlach Bundschu Winery (June 4, 2011)
J Mascis – June 4, 2011 – Gundlach Bundschu Winery, Sonoma, CA
J Mascis – Stage on Sixth (SXSW 2011)
J Mascis
Stage on Sixth – SXSW 2011
3/17/2011
Also If you have not been paying attention there are new J Mascis, Dinosaur Jr, Witch & Heavy Blanket shows coming up!