"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

itoggle caption Michael Weintrob

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

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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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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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The Five Keys. Courtesy of the artists. hide caption

itoggle caption Courtesy of the artists.