As the longest continually-operating orchestra in Oregon, the Corvallis-OSU Symphony Orchestra is a major force in the music scene of the Willamette Valley. From its inception in 1906 as a collegiate orchestra composed of nine male members, the symphony has grown into a highly regarded, 110-member ensemble performing five major concerts each season. Conductor Marlan Carlson, Oregon State University Endowed Chair for University Orchestras integrates student, faculty and professional musicians from Portland, Eugene and Corvallis.