It's been seven years since Mark Matos came to S.F., and he's had a good run. Together with what has sometimes seemed like every musician in the Mission, Matos led his loosely organized rock group, Os Beaches, and a startling number of musical side projects through straight-ahead shows and off-the-wall experiments. Crossing through territories of folk, rock, and even jazz, Matos, aka Trans Van Santos, has helped wave the flag for freaky music in San Francisco. Alas: he too is now leaving, to build a home and a studio in Joshua Tree. "We want different things, San Francisco and I," Matos says. " It's time to move on, it's time to get going." But not without one last goodbye. This week, Matos assembles a "Last Waltz in Little China" — one final Os Beaches show with friends and special guests to bid farewell to the city, and to celebrate a new box set of demos, rarities, maps, and... More >>>