Jonas Brothers release new single 'Who's In Your Head'

The band said a music video is coming.

The Jonas Brothers are out with a new single which asks the question, "Who's In Your Head?"

The brothers learn that the love of their life has cheated on them, leading them to agonize over the doomed romance.

It boils down a the point where the three can't even look at their significant others without thinking of the mysterious third person who tarnished their relationships.

"I wanna know/ Who’s in your head/ Stealin’ your heart while I’m still bleeding/ Who’s in your bed/ Wrapped in your arms while I ain’t sleepin," the brothers harmonize.

And while the trio reminisce about what made them fall in love with their partners in the first place -- from their "like magic" moves to getting "lost in your halo" -- they also begin to wonder if those attributes were red flags in disguise.

"Who's In Your Head" is available for purchase and streaming on demand now. A music video is forthcoming.

The Jonas Brothers are currently on their road with Kelsea Ballerini as part of their Remember This Tour. They're set to play in Nashville, Tennessee, Friday.