The Creation structure but may be written by an unknown author. Back in Vienna, Haydn passed it to his friend and sponsor Baron Gottfried van Swieten, who translated and organized it. The sources for the libretto are the two Creation narratives from the Book of Genesis, some Psalms, and John Milton's "Paradise Lost", an epic poem in ten volumes, first published in 1667. The libretto is structured in three parts, the first dealing with the Creation of the universe and the plants, the second with the Creation of the animals, and of man and woman, and the third with Adam and Eve in
The Seasons (Cage) built on the Indian concept of seasons: winter is associated with quiescence, spring with creation, summer with preservation and fall with destruction. The Finale is a reprise of the first Prelude, symbolizing the cyclical nature of seasons. As in the majority of Cage's compositions from the 1940s, the music of "The Seasons" is based on a predefined proportion. In this case the proportion is 2, 2, 1, 3, 2, 4, 1, 3, 1, and it governs not only the construction of individual movements, but also the proportions of the entire work, roughly defining the relative lengths of the movements. The