When cellist Gretchen Yanover performs with the Northwest Sinfonietta in Seattle, Tacoma and Puyallup this month, she won't just be sticking to classical. Instead, Yanover will plug her electric cello into a looping pedal and do something many orchestra musicians are a little scared of: her own improvisation.
You can't see the Northern Lights from Tacoma, Washington - or even from Latvia. But Latvian composer Eriks Esenvalds was inspired on a trip to Norway to write a multimedia symphony turning the aurora borealis into music. And he'll be in Tacoma this weekend as Pacific Lutheran University gives the U.S. premiere of his "Nordic Light Symphony."