The Killers and Rise Against will also perform at the one-day event.
Twenty One Pilots, Muse and Weezer are among the headliners announced today for the ALTer Ego Fest.
Taking place at the Los Angeles Forum on Saturday January 19th, the show will also feature The Killers, Rise Against, Bishop Briggs and The Revivalists.
The show will be broadcast live on over 70 alternative and rock iHeartRadio stations.
Tickets go on sale to the general public on Friday, October 5 at 10:00 am PT.
Twenty One Pilots are on the cover of Rock Sound this month - get the first full, indepth interview about 'Trench' from both Josh and Tyler now, exclusively in Rock Sound from SHOP.ROCKSOUND.TV
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