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.
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
Critic and opera translator Andrew Porter directs singer Nikki Einfeld during a rehearsal of a Canadian Opera Company production of Mozart's Magic Flute in Toronto in 2005.
Tannis Toohey/Toronto Star
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