Oh snap! It seems we have the makings of an epic beef! The Black Keys’ Patrick Carney and Justin Bieber have called each other out and who knows where this could lead to! OK, probably nowhere. But as a result of this mini (probably already squashed) beef, today’s Rock it Out! Blog focuses on other notable beefs in the history of rock ‘n’ roll. Are you on the side of Axl or Slash? Did you root either for Blur or Oasis? Let us know in the comment section.

Also on today’s episode, Sami recaps other music news headlines, including the date for Bonnaroo’s 2013 lineup announcement, new live footage featuring Inch Nails, the new song from The Postal Service, and The xx and Grizzly Bear’s upcoming tour.

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