Listen to Swan Lake, Op. 20, Act III: Dance of the Corps de Ballet and the Dwarves online. Swan Lake, Op. 20, Act III: Dance of the Corps de Ballet and the Dwarves is an Instrumental language song and is sung by Evgeny Svetlanov and Ussr State Symphony Orchestra. Swan Lake, Op. 20, Act III: Dance of the Corps de Ballet and the Dwarves, from the album Tchaikovsky: Swan Lake. Highlights, was released in the year 2006. The duration of the song is 2:22. Download Instrumental songs online from JioSaavn.