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James Taylor plays guitar as John Williams conducts the Boston Pops before the arrival of presidential nominee John Kerry at the Pops On The Bay event at the University of Massachusetts in Boston July 29, 2004, the last night of the Democratic National Convention.
AP
Singer Willie Nelson is interviewed at the Democratic National Convention at the FleetCenter in Boston July 29, 2004. That evening, he performed "Living in a Promised Land."
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Carole King performs during the Democratic National Convention at the FleetCenter in Boston July 29, 2004.
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Actors Leonardo DiCaprio, top left, and Ben Affleck, top right, talk to each other during the Democratic National Convention in Boston July 29, 2004. From left, at bottom, are producer Norman Lear; his wife, Lyn Davis, and Lear's grandson, Ben Lear.
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Sean "P. Diddy" Combs, top left, sits with Leonardo DiCaprio, center, and Ben Affleck, right, during the Democratic National Convention in Boston July 29, 2004. Sitting below is producer Norman Lear's grandson, Ben Lear.
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Sean "P. Diddy" Combs greets Sen. Hillary Clinton, D-N.Y., at the Democratic National Convention July 29, 2004, at the FleetCenter in Boston.
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Singer Mavis Staples performs "America the Beautiful" at the Democratic National Convention in Boston July 29, 2004.
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Sen. Hillary Rodham Clinton, D-N.Y., is interviewed by liberal humorist Al Franken July 29, 2004, at the FleetCenter in Boston before the final day's session of the Democratic National Convention.
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Caroline Kennedy Schlossberg tours the floor of FleetCenter in Boston during the Democratic National Convention July 28, 2004.
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Singer John Mellencamp rehearses at the FleetCenter in Boston on July 28, 2004, where he performed for the delegates to the Democratic National Convention later in the day.
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Singer Stacie Ferguson stands at the podium of the FleetCenter in Boston with the rest of her group, Black Eyed Peas, July 28, 2004. In the background, from left, are Will.I.Am, Apl.De.Ap, and Taboo.
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Larry David, right, of the HBO show "Curb Your Enthusiam," right, and his wife, Laurie David, sit July 28, 2004, at the FleetCenter in Boston at the Democratic National Convention.
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Wyclef Jean performs during the Democratic National Convention at the FleetCenter in Boston, July 28, 2004.
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Michael Dukakis, bottom right, and his wife Kitty, left, sit July 28, 2004, at the FleetCenter in Boston at the Democratic National Convention.
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Actor Chris Cooper and his wife, Marianne, arrive at a Louis Boston party in Boston, July 28, 2004.
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Actress Wendie Malick, left, whistles as the Red Hot Chili Peppers are introduced during a private party at the Democratic National Convention in Boston, July 28, 2004. With Malick are celebrities (from left) Richard Kind, Jerry Stiller and Ellen Burstyn.
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Actress Alyssa Milano poses for photos when she arrives at a Louis Boston party in Boston, July 28, 2004.
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Red Hot Chili Pepper's lead singer Anthony Kiedis, right, kicks while performing with bassist Michael "Flea" Balzary during a private party at the Democratic National Convention in Boston, July 28, 2004.
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Bianca Jagger walks the red carpet at the entrance to a Louis Boston party, July 28, 2004, in Boston.
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Hip-hop artist Sean "P. Diddy" Combs tours the convention floor on July 29, 2004, before the final day's session of the Democratic National Convention at the FleetCenter in Boston.