The narrator (see above) brings the 'motivum' of the work at the very opening, speaking in Latin, and then follows the introduction by the orchestra, once more punctuated by the voice of the narrator, bringing the words from Isaiah, 45:8.
The narrator (see above) introduces the 'main theme' of the work at its outset, speaking in Latin, and then follows the introduction by the orchestra, once more punctuated by the voice of the narrator, bringing the words from Isaiah, 45:8.