This year’s annual CMA Music Festival is adding one-shot superstar appearances to pack in more star power.

Yes, Jason Aldean is playing opening night June 9 at LP Field, the Tennessee Titans' home turf. And now, Kelly Clarkson will join him for one song, the duet “Don't You Wanna Stay.”

Oh, but that’s not all.

You know the red-hot Zac Brown Band is also playing opening night. And now, Alan Jackson is set to join the band for their collaboration on “As She's Walking Away.”

Previously announced headliners include Keith Urban, Lady Antebellum, Rascal Flatts and Sheryl Crow. The tix range from $115 to $325 for the four-day festival.