ðə fˈɛstɪv ˈoʊpənɪŋ kˈoːɹəs, "", ɪz bᵻlˈiːvd təbi bˈeɪst ˌɔn ɐ mˈuːvmənt fɹʌmðə lˈɔst sˈɛkjʊlɚ kæntˈɑːɾə .
The festive opening chorus, "", is believed to be based on a movement from the lost secular cantata .