Sina Shahbazmohamadi places a 3-D printed copy of a recorder foot joint into a measuring device in a lab at the University of Connecticut's Center for Clean Energy Engineering. Peter Morenus/UConn hide caption

itoggle caption Peter Morenus/UConn

Philip Glass photographed in New York City in 1980. Jack Mitchell/Getty Images hide caption

itoggle caption Jack Mitchell/Getty Images

Roomful of Teeth's new album is Render, out April 28. Bonica Ayala/Courtesy of the artist hide caption

itoggle caption Bonica Ayala/Courtesy of the artist

On the Bang on a Can All-Stars' new album, Field Recordings, composers riff on a range of recorded sounds. Peter Serling/Bang on a Can hide caption

itoggle caption Peter Serling/Bang on a Can

Donald Palumbo became the Met's chorus master in the 2007-2008 season. He sang in choruses all his life, he says, and eventually worked his way up without any formal conservatory training. Marty Sohl/Courtesy of the Met hide caption

itoggle caption Marty Sohl/Courtesy of the Met

Composer Julia Wolfe has won the 2015 Pulitzer Prize for music for Anthracite Fields, an oratorio about coal miners and their families. Peter Serling hide caption

itoggle caption Peter Serling

Viola da gamba master Jordi Savall leads his ensemble Le Concert des Nations in a performance at Carnegie Hall's Zankel Hall on Apr. 16, 2015. AJ Wilhelm for NPR hide caption

itoggle caption AJ Wilhelm for NPR

Percussionist Kuniko's new album is devoted to music by Iannis Xenakis. Linn Records hide caption

itoggle caption Linn Records

Salón Los Angeles is the oldest dance hall in Mexico City. It's here that well-dressed couples dance to danzón. Courtesy of Betto Arcos hide caption

itoggle caption Courtesy of Betto Arcos

"I'm more and more coming to the idea," composer Philip Glass says, "that it's the lineage and the connection to the past and the connection to the future — that is the real connection." Eamonn McCabe/Redferns hide caption

itoggle caption Eamonn McCabe/Redferns

Violinist Hilary Hahn. Peter Miller/Courtesy of the artist hide caption

itoggle caption Peter Miller/Courtesy of the artist