WASHINGTON, DC - JULY 03: Michael McDonald backstage at PBS's 2014 A CAPITOL FOURTH rehearsals at U.S. Capitol, West Lawn on July 3, 2014 in Washington, DC. (Photo by Paul Morigi/Getty Images for ... more 
WASHINGTON, DC - JULY 03: Michael McDonald backstage at PBS's 2014 A CAPITOL FOURTH rehearsals at U.S. Capitol, West Lawn on July 3, 2014 in Washington, DC. (Photo by Paul Morigi/Getty Images for Capitol Concerts) less 
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Getty Images | Photo By Paul Morigi / Getty Images for Capitol Concert
Thu, Jul 3, 2014 1:37 PM EDT