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The moment a shocked Bono was forced to cut short a U2 concert after suddenly and inexplicably losing his voice has been revealed.
The Irish singer could be seen crouched on stage singing Beautiful Day at Berlin's Mercedes Benz Arena when his voice suddenly went.
Clearly worried, the bemused star told the audience, "I don't know what happened there, I'm so sorry.
"I promise you, before we left the dressing room I was ready to sing for you."
Admitting that he couldn't continue, he explained, "Something's happened. I think we can't go on. It's not right for you, so I have an idea.