Missy Mazzoli's quintet, Victoire, blurs the boundaries between classical music and other styles. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Conductor John Eliot Gardiner's Monteverdi Choir has been named the best choir in the world by Gramophone magazine. Courtesy of the Monteverdi Choir hide caption

itoggle caption Courtesy of the Monteverdi Choir

William Steinway came to New York to build pianos in 1850. His 2,500-page diary is now available online. Courtesy of Henry Z. Steinway Archive hide caption

itoggle caption Courtesy of Henry Z. Steinway Archive

Enrico Caruso (center) stars in the 1910 world premiere of Puccini's La Fanciulla del West. On the right, soprano Emmy Destinn as Minnie. White Studios/Metropolitan Opera Archive hide caption

itoggle caption White Studios/Metropolitan Opera Archive

Sgt. Major Woodrow English retired earlier this year as the trumpeter and bugler for the U.S. Army Band. U. S. Army hide caption

itoggle caption U. S. Army