Paul McCartney circa 1960 onstage at the Cavern nightclub in Liverpool during the early days of the Beatles.

Paul McCartney in 1963.

Paul McCartney, George Harrison, John Lennon and Ringo Starr perform during rehearsals for the Beatles appearance on The Ed Sullivan Show on February 9th, 1964 in New York City.

Paul McCartney, Ringo Starr, George Harrison and John Lennon performing onstage at Ernst Merck Halle in Germany in 1966.

The Beatles celebrate the completion of Sgt Pepper's Lonely Hearts Club Band at a press conference at the west London home of their manager, Brian Epstein, on May 19th, 1967.

The Beatles performing their last live public concert on the rooftop of the Apple building for Let It Be, on Savile Row in London on January 30th, 1969.

Paul McCartney and his then-wife Linda at a New York recording studio in 1971.

Wings perform at the Theatre Antique in Arles, France, on July 13th, 1972.

Paul McCartney in 1979.

Paul McCartney and Michael Jackson on December 19th, 1983.

Paul McCartney and Ringo Starr in 1993.

Paul McCartney with Sean Lennon and Yoko Ono after John Lennon was posthumously inducted into the Rock and Roll Hall of Fame on January 19th, 1994.

Sir Paul McCartney after receiving his knighthood at Buckingham Palace in 1997.

Paul McCartney at the Concert for New York City at Madison Square Garden on October 20th, 2001.

Paul McCartney performs his first-ever concert in Russia, in Red Square, Moscow, during his Back in the World tour on May 24th, 2003.

Paul McCartney, Olivia Harrison, Yoko Ono, Barbara Bach and Ringo Starr on June 30th, 2006.

Paul McCartney performs in Times Square, New York, on October 10th, 2013.

Paul McCartney and Ringo Starr perform at The Night That Changed America: A Grammy Salute to the Beatles in Los Angeles on January 27th, 2014.