Billy Joel, Mumford & Sons lead 2015 Bonnaroo lineup

British folk rockers Mumford & Sons, electronic superstar Deadmau5, rapper Kendrick Lamar and British indie rockers Florence + the Machine help round out the headline acts.

Other notable performers include My Morning Jacket, Slayer and Earth, Wind & Fire, as well as Led Zeppelin frontman Robert Plant with his new band, the Sensational Space Shifters.

CNN