ðə kˌælɪfˈoːɹniə sˈɪmfəni ɪz ɐ pɹəfˈɛʃənəl ˈɔːɹkᵻstɹə bˈeɪst ɪn wˈɔːlnʌt kɹˈiːk, kˌælɪfˈoːɹniə, ɪnðɪ ˈiːst bˈeɪ ɹˈiːdʒən ʌvðə sˌæn fɹænsˈɪskoʊ bˈeɪ ˈɛɹiə.
The California Symphony is a professional orchestra based in Walnut Creek, California, in the East Bay region of the San Francisco Bay Area.