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

John Cage during his 1966 concert at the opening of the National Arts Foundation in Washington, D.C. Rowland Scherman/Getty Images hide caption

itoggle caption Rowland Scherman/Getty Images
Emily Bogle/NPR