It'll be interesting to see who ends up with the big dressing room.

This year marks the 25th anniversary of KROQ's 'Almost Acoustic Christmas' concert and the Los Angeles radio station managed to enlist some of the hugest names in rock for the two-day concert on Dec. 13 and 14 at the Forum in Inglewood. Night one will feature Linkin Park, System of a Down, Fall Out Boy, Rise Against, Bush, New Politics, Royal Blood and Walk the Moon. Night two, even more amazingly, will feature U2, Weezer, Smashing Pumpkins, Alt-J, Imagine Dragons, Modest Mouse, Interpol, Tears for Fears and Vance Joy.

Tickets go on sale Nov. 14 via Ticketmaster. For more details, go here.

If you want a taste of what to expect, check out video of Kings of Leon playing last year's show:

You Think You Know the Smashing Pumpkins?

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