We co-present three programs this year with Activating the Medium, an annual trans-disciplinary festival of international sound art presented by 23five Incorporated, showcasing sound, film/video, and live performance. Saturday night’s program: Celebration of a Revolution by Leif Elggren; Waiting 2006 8:0 by Michael 9; Speaker Swinging 1987 by Gordon Monahan and the sound/video performance Ilios, by Dimitris Kariofilis. Held at San Francisco Art Institute. For complete festival line up, visit www.23five.org.