The Dallas Street Choir performed in T-shirts, then changed into formalwear for the Street Requiem. Baritone Russell Rodriguez is in front, far right, in an orange T-shirt. Courtesy of Mark Mullaney hide caption

itoggle caption Courtesy of Mark Mullaney

Amit Peled is preparing to re-create a century-old cello recital by Pablo Casals, using the master's own instrument. Here, he shows if off in NPR's Washington, D.C., studios. Colin Marshall/NPR hide caption

itoggle caption Colin Marshall/NPR