October Sample  Lesson Sample by Tchaikovsky. Opus 37a no. 10. (Download) In this lesson you will learn Tchaikovsky's October, also known as Autumn Song, completely "by ear." The lesson begins with a full demonstration and is then followed by a detailed "note-by-note" lesson, including a detailed description of the fingering, of the entire song in two to four measure sections. This song is rated as a late intermediate to early advanced level piece.