ET on Jan. 20.

But Republican country starGarth Brooksannounced via a press conference Monday that he will perform atJoe Biden’s inauguration.

The artist says he has performed for every U.S. president sinceJimmy Carter, with the exception ofRonald Reagan.

Joe Biden and Garth Brooks

I’m so tired of being divided."

Lady Gagaannounced viatweetin mid-January that she’d be singing thenational anthemat Biden’s inauguration.

“You’re going to be surprised.

Garth Brooks performing Obama’s inauguration

You’re gonna love it,” A-Rod assuredThe Tonight Show’sJimmy Fallon(viaET).

We have absolutely no clues yet as to what Brooks is planning on singing.

We do, however, know what he’s not going to perform for the nation’s 46th president.