Transcenders 2 credits

Transcenders is an American music production company established in 2002 by Brian Lapin, Terence Yoshiaki, and Mike Fratantuno. The latter two have previously co-written several songs for the hip-hop group Black Eyed Peas, including "Let's Get It Started", "Request + Line", and "Where Is the Love?" Transcenders composed the title song for Gossip Girl as well as music for the fictional rock group led by Rufus Humphrey.

Source: Wikipedia, CC BY-SA 4.0.