Combs keyed up expectations as he told fans something special was on the way to help him close out an already-rousing festival set. Playing somewhat coy, he sang the first portion of "Friends in Low Places," only for Brooks to quietly appear on stage and take over.

The musician took his own turn popping up during another artist's performance when he joined Backstreet Boys for "I Want It That Way" later that night

The Stagecoach festival may be headlined by Zach Bryan, Jelly Roll and Luke Combs but the surprise guests are very much warming up that crowd during the surprisingly chilly Indio nights. During day one of the festival,