'I can't remember most of my songs', says McCartney

2 June 2010 Last updated at 06:14 ET Help

Sir Paul McCartney has been awarded one of the highest honours in popular music, at the age of 67.

The former Beatle will perform at the White House later on Wednesday after receiving the Gershwin Prize for Popular Song.

At a news conference on Tuesday night, the musician spoke about the mystery of song writing, and admitted he cannot remember most of his songs.

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