Paul McCartney confessed he was helped by George Harrison's spirit to write the song and lyrics for 'Waiting For Your Friends To Go', over three years after the Beatles guitarist's death.
McCartney, 63, said he felt Harrison's spirit when he wrote the song, arguing he's unsure about the meaning of the lyrics.
"The funny thing about it was I felt as if I was almost George Harrison during the writing of that song," said McCartney.
"I just got this feeling, this is George. So it was like I was writing - I was like George - writing one of his songs. So I just wrote it, it just wrote itself very easily 'cause it wasn't even me writing it."
He went on to say he still wasn't sure what the song was about:
"I thought, OK, the 'waiting on the other side' is also a little bit loaded, it can be crossing the river Jordan or whatever, y'know, that sort of thing. There's a little bit of double meaning there.
It was funny particularly the second verse: 'I've been sliding down a slippy slope, I've been climbing up a slowly burning rope.' I just thought - it's a George song", Paul added.
Paul McCartney Helped By George Harrison's Spirit
Paul McCartney confessed he was helped by George Harrison's spirit to write the song and lyrics for 'Waiting For Your Friends To Go'
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