Music groupies, gather your gear because we have your lineup for 2015's Bonnaroo festival!

Billy Joel, Florence + The Machine, Bassnectar and Mumford & Sons are just a few of the headliners taking over the lineup appearing at the Manchester, Tenn., event. From June 11-14, you'll be able to watch all of your favorite bands in one place (and even skip out on a few if you feel like it).

The lineup was announced during a three-hour online event. It includes oldies and newcomers, indie acts and fan faves. Earth, Wind and Fire, Slayer and Tears For Fears are just a few of the eclectic groups.

Other performers include Against Me!, Hozier, Ben Folds and Belle & Sebastian among many, many others. This is just the beginning of the lineup announcement, with more to come soon.

Tickets go on sale June 17 at 12 p.m. ET.