MP3 Download Moussorgsky Boris Frick extraits Boris - Gottlob Frick Pimen - Martti Talvela Dmitri - Rudolf Schock Feodor - Helga Wisniewska Xenia - Erika Koeth Nurse - Margarete Klose Shuisky - Julius Katona Varlaam - Ernst Krukowski Missail - Karl-Ernst Mercker Krustchov - Walter Muggelberg Simpleton - John van Kesteren Chorus and Orchestra of the German Opera, Berlin Walter Hagen-Groll, chorus director Lovro von Matacic, conductor