Mark J. Terrill, Associated Press
FILE - In this Sept. 24, 2003 file photo, Ringo Star and his wife Barbara Bach, left, pose along with George Harrison's son Dhani and wife Olivia, center, and Heather Mills McCartney and Paul McCartney at a screening for the film "Concert For George," Wednesday night, at Burbank Studios in Burbank, Calif. The film is a musical documentary that celebrates the music of the late George Harrison. Paul McCartney and George Harrison’s widow and son have honored the late Beatle on what would have been his 75th birthday.

LONDON — Paul McCartney and George Harrison's widow and son have publicly remembered the late Beatle on what would have been his 75th birthday.

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"Happy Birthday Georgie. Wonderful memories," McCartney tweeted along with a black and white photograph of the two of them together during the Beatlemania days.

Harrison died of cancer in 2001 at the age of 58.

His widow, Olivia Harrison, and his son, Dhani Harrison, tweeted an invitation for fans to celebrate George's birthday by watching a video of Billy Preston and Eric Clapton performing the Harrison song "Isn't It a Pity" at the star-studded Concert for George in 2002.

McCartney and Ringo Starr are the only surviving members of the English band that rocketed to global fame in the 1960s. John Lennon was shot to death in 1980.