Soprano Dawn Upshaw (second from right) and fellows from Tanglewood's summer program performed the world premiere of Michael Gandolfi's Carroll in Numberland July 25.
Boston Symphony Orchestra
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.
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