The annual four day shitshow that's better known as Bonnaroo has spread the announcement of their lineup over the course of the last few hours. They've done so via a telephone hotline where you could call in and gain a bit of Twitter fame by announcing a band (if you could even get through to begin with - every time I tried calling it was busy). They've finally revealed the entire thing, though, and each day's headliner is pretty drastically different from the next - Billy Joel, Mumford & Sons, Deadmau5, and Kendrick Lamar will be capping off each night's festivities.

Other big name artists performing include Florence and the Machine, who has basically been on the lineup for almost every major festival so far, My Morning Jacket (who hopefully play a 35 song set like they did in 2008), Robert Plant and the Sensational Space Shifters, Slayer (?!), Belle and Sebastian, Ben Folds, Alabama Shakes, Childish Gambino, and Tears For Fears. The festival will be Mumford & Sons' first time back at the festival since their bass player had to undergo emergency brain surgery, forcing them to cancel their 2013 appearance.

Everyone's favourite rap duo Run the Jewels will also be performing in addition to Mac DeMarco, The War on Drugs, Jamie xx, Caribou, Against Me!, MØ, Royal Blood, Tycho, and Spoon. You can take a look at the entire lineup above, and tickets go on sale at r12pm EST on 17 January at their website, so get those ticket buying fingers ready (and read our review of the 2014 edition while you hit the inevitable "Standby Page").