Timpani are also called kettledrums. These instruments crafted by Antonio Stradivari were, for a time, more kettles than drums. DEA Picture Library/De Agostini/Getty Images hide caption

itoggle caption DEA Picture Library/De Agostini/Getty Images

John Renbourn performs onstage at the Royal Festival Hall in London June 29, 2008. The influential guitarist died at his home in Scotland Thursday. He was 70. Barney Britton/Redferns hide caption

itoggle caption Barney Britton/Redferns

Lower Dens singer and songwriter Jana Hunter writes that her band's new album, Escape From Evil, is typified by "warmth and physicality." Frank Hamilton/Courtesy of the artist hide caption

itoggle caption Frank Hamilton/Courtesy of the artist

A Nile Project concert in Al Azhar Park, Cairo, Egypt, 31 January, 2013. Courtesy of Matjaz Kacicnik/Nile Project hide caption

itoggle caption Courtesy of Matjaz Kacicnik/Nile Project