ɪɾ ˈɔːlsoʊ ˈɔltɚnˌeɪts bᵻtwˌiːn tɹˈɪpəl ænd dˈuːpəl bˈiːt sˌʌbdᵻvˈɪʒənz ʌvðə bˈiːt ɪn dˈɪfɹənt pˈɑːɹts ʌvðə wˈɜːk.
It also alternates between triple and duple beat subdivisions of the beat in different parts of the work.