Great Lakes was commissioned in honor of Curtis Olson by the Michigan State University Trombone Choir, Daniel Mattson, director. The four-movement work depicts the scenery of the majestic Lakes framing Michigan throughout the seasons. Movements I. Shimmering Under the Sunlight II. Frozen Under the Winter Skies III. Storm-Tossed IV. Spring Horizon. This is a non-returnable special import item.