Cinnabar Performing Arts Theater 3333 Petaluma Blvd N, Petaluma, CA94952 In the summer of 1970, Marvin and Jan Klebe bought a two-room school house on the outskirts of Petaluma and started…More Cinnabar Theater. Their goal was to create a place where local talent could perform, collaborate and educate. Today, Cinnabar Theater is the only venue in Sonoma County that produces opera, musical theater, dramatic theater, chamber series, dance and special festivals. The Cinnabar Young Rep is a year-round program that offers classes, workshops, performance opportunities, summer camps and festivals, where children as young as 4 learn the art of the theater. Consult its website for upcoming performances and special events.