Morgan Wallen and Post Malone Team Up for a Second Time on "I Ain't Comin' Back": Continuing on the country train with a follow-up to the duo's massive hit "I Had Some Help" from last year.

"I Ain't Comin' Back" will be included on Wallen's upcoming album I'm the Problem, out May 16 via Big Loud/Mercury. Earlier this week, Wallen confirmed several collaborators on the album.