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 (Tchaikovsky) from the set. In "Troïka" one can hear the jingling sleigh-bells in the right hand. Where Tchaikovsky came from, this was very Russian. "Troika" is also considered the most challenging piece out of Tchaikovsky's very own selection of "The Seasons" because of such a rapidly moving melodic flow, a few "outbursts" to forte, and it also expresses a somewhat complicating technique, which delivers a strong variety of feelings to the interpreters and listeners of "Troika" as shown in the music sheets in the book "Tchaikovsky The Seasons Opus 37bis", which was edited and recorded by Alexandre Dossin. "Troika" has become