Although it has not been confirmed by Lollapalooza, The Chicago Tribune has released suspected headliners.

Lollapalooza has said they will officially release the lineup next month but that hasn’t stopped music buffs from speculating over who will perform. If the presumed Lollapalooza headliners are in fact headlining, the festival is sure to be a hit. The lineup is reported to include British stars Mumford & Sons, The Killers, Phoenix, and possibly the National and the Postal Service.

Lolla 2012 (Lollapalooza’s 21st birthday) boasted about 60,000 festival goers.

Lollapalooza takes place in Grant Park in Chicago. It restarted in 2005 after a few years off.