Don't worry: Rock and roll is well represented, thanks to the likes of Jack White, Hozier, Arctic Monkeys, the Weeknd, Florence + the Machine and others.
Florence + the Machine replaced Foo Fighters as headliners after Dave Grohl broke his leg and the U.K. outfit paid tribute with a chill-inducing cover.
We've got a brand new track from Mumford and Sons' upcoming album, 'Wilder Mind,' and we won't even make you hand over your cell phone before you can hear it.