· The Pitchfork Music Festival, taking place July 18-20 in Chicago, has added a bunch more acts to this year’s roster, including: Ghostface & Raekwon, Dinosaur Jr, Mission of Burma (performing their classic album, Vs., Jarvis Cocker, The Apples in Stereo, Jay Reatard, the Dirty Projectors, and F— Buttons (who were awesome last night in New York).

· Up until now, the only thing Prince and Dave Matthews have had in common is their mutual affinity for busting out the “guitar face” when soloing. But the jam king is borrowing a page from his purple majesty’s playbook and bundling vouchers for a free downloadable iTunes live-albums with every ticket purchase to his band’s upcoming summer tour. The live albums will be compilations of the best performances from the summer gigs, and will be available in September, but only if you get your tix at a venue serviced by Ticketmaster.

· Can’t wait till Tuesday for Fall Out Boy’s Live in Phoenix CD/DVD set? You can stream the whole shebang over at Buzznet or Friends or Enemies right now.

· Police reportedly arrested Poison drummer Rikki Rockett (born Richard Ream), 46, on Monday at Los Angeles International Airport on a rape warrant issued in Mississippi.