Symphony No. 3 (Beethoven) which the bass theme is heard as the first variation before the main theme ultimately appears. This again parallels the structure of the Opus 35 variations themselves. Finally, the loud E chord that begins the Opus 35 variations themselves is moved here to the beginning of the first movement, in the form of the two chords that introduce the first movement. Alternatively, the first movement's resemblance to the overture to the comic opera "Bastien und Bastienne" (1768), composed by twelve-year-old W. A. Mozart, has been noted. It was unlikely that Beethoven knew of that unpublished composition. A possible explanation is
Ramón Iriarte doors opened to him in the opera world. As Claudio in Montero's "Virginia," and roles in "L'amico Fritz", "Carmen", "Aida", "Pagliacci", "Madama Butterfly", and "Bastien und Bastienne" had become part of Iriarte's wide music repertoire full of success. One of the main places where Iriarte got to show his talent in a national way was in the Teatro Municipal de Caracas. In 1967 was the first time he performed internationally in New York City where he gained fame and reputation. His baritone's life kept blooming as the years passed. For over twenty–five years he dedicated his life to opera and