Listen to Swan Lake, Op. 20a: No. 7, Danse napolitaine online. Swan Lake, Op. 20a: No. 7, Danse napolitaine is an Instrumental language song and is sung by Evgeny Svetlanov and Ussr State Symphony Orchestra. Swan Lake, Op. 20a: No. 7, Danse napolitaine, from the album Tchaikovsky: Swan Lake & The Nutcracker Ballet Suites, was released in the year 2020. The duration of the song is 2:02. Download Instrumental songs online from JioSaavn.