Listen to Swan Lake, Op. 20, Act I: No. 2, Waltz online. Swan Lake, Op. 20, Act I: No. 2, Waltz is an Instrumental language song and is sung by André Previn. Swan Lake, Op. 20, Act I: No. 2, Waltz, from the album Tchaikovsky: The Nutcracker, Sleeping Beauty & Swan Lake (Highlights), was released in the year 1987. The duration of the song is 7:22. Download Instrumental songs online from JioSaavn.