Paul Mccartney

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Paul McCartney, left, and Dave Grohl, accept the award for best rock song for “Cut Me Some Slack" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

The_56th_Annual_GRAMMY_Awards_Showcdolan@washingtontimes.com_4

Paul McCartney, left, and Dave Grohl, accept the award for best rock song for “Cut Me Some Slack" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

The_56th_Annual_GRAMMY_Awards_Showcdolan@washingtontimes.com_3

Paul McCartney, from left, Krist Novoselic and Pat Smear, partially obscured, listen as Dave Grohl, foreground, accepts the award for best rock song for “Cut Me Some Slack" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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Paul McCartney, left, and Dave Grohl, right, accept the award for best rock song for “Cut Me Some Slack" at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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FILE - This 1964 file photo shows the British rock and roll group, the Beatles, from left, George Harrison, John Lennon, Ringo Starr and Paul McCartney, during their first U.S. tour. McCartney and Starr will attend the Recording Academy's Special Merit Awards ceremony, on Saturday, Jan. 25, 2014, where the Beatles will be honored with a lifetime achievement award, in Los Angeles. (AP Photo, File)