Excerpts from the opera "Undine" act 1, Undine's song ; act 3, duet of Undine and Gulbrand ; act 1, finale - Čajkovskij, Pëtr Ilʹič 1840-1893 (Music to Ostrovsky's drama "Dmitri the impostor and Vassili Shuisky" with excerpts from the opera "Undine")