The 2013 Bonnaroo Music and Arts Festival announced its lineup today via YouTube presentation with "Weird Al" Yankovic. The 12th annual event will be headlined by Paul McCartney, Tom Petty and the Heartbreakers and Mumford and Sons and takes place June 13-16 in Manchester, Tenn.
The four-day festival, which is known for showcasing a diverse range of music styles, is produced by Superfly Presents and AC Entertainment. You can see the entire lineup, so far, here.