The first season of Portlandia, the IFC sketch-comedy show from Fred Armisen and Carrie Brownstein, had a ton of cameos from indie-ish celebs; consider, if you will, last year's segment "The Deuce," which starred Corin Tucker, James Mercer, and Colin Meloy. From the look of things, season two of the show will feature even more musician cameos -- a Coachella ...