St. Olaf College Home of the St. Olaf Orchestra and the St. Olaf Choir.  The college is located in Northfield, Minnesota. The Turtle Island String Quartet An unconventional and inspiring string quartet.   Madeline Island Music Festival An annual month-long music festival located on Madeline Island on Lake Superior in northern Wisconsin. Christy's Tango Check out this video of us playing Christy's Tango at a live performance in August 2007.