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"To me the concert experience is at the heart of what music is about. You come to a show and you are in the room so it is the real thing. I have been to concerts where I think, ``Oh, I really am in the room with Tony Bennett and it is like he is in my living room``. That is a great part of the experience. "I then think, ``Wait a minute, people must think that about me``. When we make mistakes playing live, we always now turn it and say, ``Tell you what this proves we are live``," he said.
However, McCartney refused to divulge the offenders. Cheryl Cole was famously accused of miming during her live performances on the ``X Factor`` while Elton John criticised Madonna for lip-synching during her 2004 tour.