Jonas Brothers — Who's In Your Head

"Who's in Your Head" is a song by American group Jonas Brothers. It was released through Republic Records as a single on September 17, 2021. The song was produced by Max Martin and Ilya.

"Who's in Your Head" has been described as "another breezy tune" that is "an upbeat pop number bolted onto a funky guitar refrain and featuring some chandelier-busting falsetto", as well as "bring the funk". Brothers Joe and Nick share vocals on the chorus, singing: "I wanna know, who's in your head? / Stealing your heart while I'm still breathing / Who's in your bed? / Wrapped in your arms while I ain't sleeping / Got lost in your halo, halo / I just wanna know / Now who's in your head, in your head?". The song is lyrically about an existing relationship that ended due to their partner cheating, which also involves the person who they cheated with, and wondering of why they got together with the partner in the first place.

The clip Jonas Brothers — Who's In Your Head can be downloaded for free and without registration.