The Jonas Brothers are gearing up to release their new single `Who`s In Your Head`. The brothers, who are currently on their `Remember This Tour`, premiered the new song while performing at the Red Rocks Park and Amphitheatre in Colorado.

The group posted a video on TikTok featuring concert footage of them performing the unreleased track at Red Rocks, along with some information in the caption to hold their fans over. The trio wrote, "Right now you`re listening to our new song...we just performed it for the first time at Red Rocks on the Remember This tour. The song is called `Who`s in Your Head` and it drops on September 17th!," according to Billboard.com.