Bobby McFerrin and The Yellowjackets will perform Saturday, July 16, 8:30 pm on the main stage. The complete music line-up will be available May 1. Our unique festival happens annually on the third weekend in July in sunny Corvallis, Oregon. Join us for a da Vinci-style weekend at the crossroads of art, science, and technology. There's music, entertainment, creative contests, exhibits, and hands-on activities for all ages.