Was he miming? Or using a backing track? No. He was using a loop pedal. It allows you to record a few bars of music, which then repeat, while you then play other parts over the top. Newsbeat's ...

“Because I’m so crazy and hate running my sound through my pedals if I’m playing rhythm, I use this D.Loop pedal by Lehle. It ...

It can also turn a mono signal into stereo, or send one output through the effects loop, and the other through dry. Last but ...

With every track being different, it keeps the listener on their toes. Using loop pedal harmonies and pounding kick drums, Gerry makes a habit of whipping the audience into a frenzy which sees ...