"Let's be real. We're all geeks in this room." ?uestlove, of The Roots, addresses the EMP Pop Conference on Sunday. At this moment, the drummer, producer and DJ was demonstrating the delighted confusion he tries to instigate on the dancefloor, which is why he spent years searching for the Spanish-language version of Kool and the Gang's "Celebration." Michael Weintrob hide caption

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Piano player James Booker is considered a New Orleans legend. Bunny Matthews hide caption

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Reviving James Booker, The 'Piano Prince Of New Orleans'

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Earl Scruggs during a show in Indio, Calif., on May 3, 2008. Michael Buckner/Getty Images hide caption

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Earl Scruggs

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Donovan performs on Ready Steady Go! in 1965. Getty Images hide caption

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From London, Rock Hall Inductees 'Looked To America'

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Earl Scruggs shown during a show in Indio, Calif., on May 3, 2008. Michael Buckner/Getty Images hide caption

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Bluegrass Legend Earl Scruggs Has Died

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Alan Lomax (right) with musician Wade Ward during the Southern Journey recordings, 1959-1960. Shirley Collins/Courtesy of Alan Lomax Archive hide caption

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Alan Lomax's Massive Archive Goes Online

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Music For 'Disenfranchised Working-Class Youth': The British reggae band Steel Pulse formed in Birmingham in 1975. Mykaell Riley is third from the left. Echoes/Redfern/Getty Images hide caption

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Reggae In The U.K.: A Steady Force

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Nas performs his classic 1994 album, Illmatic, on stage at the Moody Theater in Austin, Texas during the 2012 SXSW music conference. Heather Kennedy/WireImage/Getty Images hide caption

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Doo-Wop Dies Another Little Death As Store Closes

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