Gilda Grey, the dancer who is sometimes credited with naming the shimmy, in London in 1928. Planet News Archive/SSPL via Getty Images hide caption

itoggle caption Planet News Archive/SSPL via Getty Images

Singer-songwriter Amos Dolce on the set of the video for his song "Haiti, Haiti," which Konbit Mizik produced. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Marcus Mumford of Mumford & Sons, winner of Album of the Year at the 2013 Grammy Awards. To date, the band's winning album, Babel, has sold 1,737,000 copies, according to Nielsen Soundscan. Jason Merritt/Getty Images hide caption

itoggle caption Jason Merritt/Getty Images

A 16-inch lacquer disc, a format used in the 1930s, from the collection of the Library of Congress. Most of the lacquer, the part of the disc where the sound was etched, has been lost to decay. Abby Brack/Library of Congress hide caption

itoggle caption Abby Brack/Library of Congress

Donald Byrd onstage, in an image circulated by his record label at the time, Blue Note Records. Echoes/Redferns/Getty Images hide caption

itoggle caption Echoes/Redferns/Getty Images

Mumford & Sons (from left: Ben Lovett, Marcus Mumford, Ted Dwane and Winston Marshall) accept the award for album of the year at the Grammy Awards on Sunday night. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images

Fiddler Bill Stepp in Kentucky's Magoffin County in the 1930s. Courtesy of Elsie Risner and Becky Arnett hide caption

itoggle caption Courtesy of Elsie Risner and Becky Arnett