Oasis loudmouth Liam Gallager has advised Bono to get a life.

The singer was reacting to the recent revelation that U2 watch back every gig they do on tape to ensure perfection.

"W***ers," he declared in an interview with Sydney's Daily Telegraph. "Haven't they got f*** all better to do? I'd rather be out there getting pissed.

"I certainly wouldn't go back after a gig and analyse it. No wonder they're the biggest band in the world: 'Oh Edge, the fourth guitar solo wasn't right tonight'. 'Oh, sorry Bono'. If that's what people think rock'n'roll is ... "