Listen to Swan Lake: Act I, Valse online. Swan Lake: Act I, Valse is a German language song and is sung by Bolshoï National Theatre and Algys Juraitis. Swan Lake: Act I, Valse, from the album Tchaïkovsky: Swan Lake (Etoiles Of Bolshoï ), was released in the year 2007. The duration of the song is 5:38. Download German songs online from JioSaavn.