"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
E-40. Courtesy of the artist hide caption
Earl Scruggs shown during a show in Indio, Calif., on May 3, 2008. Michael Buckner/Getty Images hide caption
Alan Lomax (right) with musician Wade Ward during the Southern Journey recordings, 1959-1960. Shirley Collins/Courtesy of Alan Lomax Archive hide caption
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
THEESatisfaction, the female rap duo from Seattle, gives a sneak peek of its Sub Pop debut at Red 7 on Friday night. Mike Katzif/NPR hide caption
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
"Human expression is not confined to guitars." In his keynote address at SXSW Bruce Springsteen spoke of his love for pop of all flavors. Michael Buckner/Getty Images for SXSW hide caption
Cotton Mather (from left): Dana Myzer, Josh Gravelin, Whit Williams and Robert Harrison. Todd Wolfson/Courtesy of Fanatic Promotion hide caption
Every Flat Surface: Jay Cobb Anderson (left) and Tyler Thompson on the street at SXSW 2011 in Austin, Texas. Katie Hayes Luke/NPR hide caption
Usher. Courtesy of the artist hide caption
Bowerbirds' Phil Moore and Beth Tacular return with The Clearing, a vibrant evolution for the homespun folk band. D.L. Anderson/courtesy of the artist hide caption
Composer/lyricist Robert Sherman (left) and his brother Richard stand next to the car used in the 1968 film Chitty Chitty Bang Bang. The brothers wrote the songs for the movie, as well as a musical version that began running in 2002. Ezio Petersen/UPI/Landov hide caption
A song that was mastered for a digital file could make library listening sound better. Ferran Traite Soler/iStockphoto.com hide caption
Nas, in a photo from the mid-1990s. Courtesy of the artist hide caption