Today in Music News: Katy Perry Crushes on 'American Idol,' Bob Dylan, Grizzly Bear, Ticketmaster-Live Nation Merger
- Katy Perry gets her snark on as guest judge at American Idol auditions in LA.
- Bob Dylan, Jennifer Hudson, Natalie Cole, John Legend, John Mellencamp, Smokey Robinson, Seal, the Blind Boys of Alabama to perform at White House.
- Grizzly Bear contributes to soundtrack to Philip Seymour Hoffman directorial debut Jack Goes Boating.
- Yeah, like we posted here, people are pissed about the Ticketmaster-Live Nation merger.
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