Jim Hall performs with his trio and fellow guitarist Julian Lage at the 2013 Newport Jazz Festival. Adam Kissick for NPR hide caption

itoggle caption Adam Kissick for NPR

Ryan Lewis, left, and Macklemore pose backstage at the Grammy Nominations Concert Live! on Friday, Dec. 6, 2013, at the Nokia Theatre L.A. Live in Los Angeles. Richard Shotwell/Invision/AP hide caption

itoggle caption Richard Shotwell/Invision/AP

Singer and songwriter Bob Schneider invented "The Song Game" a decade ago, inviting a closed group of fellow musicians to submit a new song every week. Chris Miller/Courtesy of the artist hide caption

itoggle caption Chris Miller/Courtesy of the artist

John Digweed, shown here performing in August at Electric Zoo, was one of the biggest names at the Brooklyn Electronic Music Festival last weekend. Daniel Zuchnik/Getty Images hide caption

itoggle caption Daniel Zuchnik/Getty Images

John Tavener's ethereal music was influenced by the Russian Orthodox traditions. Simone Canetty-Clarke/Courtesy of the artist hide caption

itoggle caption Simone Canetty-Clarke/Courtesy of the artist