When the Outlaws had to provide a band, Creller's hand rose among many others. Borje reached over and lowered it for him, then patted his chest. He stood up and proudly said "Borje" then walked away, ignoring the other volunteers

The band is called "Borje" and consists of

Borje Samuelsson on a Launchpad with a ton of buttons
The rest of the team making sound effects in microphones as he performs above them on stage