Ol' Yeller plays the kind of music that sounds right at home in the dark confines of the 7th Street Entry or playing from a jukebox in Mattson's native Iron Range in northern Minnesota.

Mandolin and fiddle virtuoso Peter Ostroushko appears to be one of the most relaxed people on the planet. His thoughtful pauses are long enough to allow you to go for coffee and get back before he begins his answer. And that would be OK with him.