Anton Kertesz Barry Tuckwell Boris Shtokolov Carl Nielsen Copenhagen String Quartet Franz Strauss Friedrich Kuhlau Johan Hye-Knudsen Johann Ladislaus Dussek Leningrad Kirov Theater Orchestra Niels W. (Niels Wilhelm) Gade Orchestra of the Vienna Volksoper P. E. Lange-Müller Paul Angerer Performances Reviews Robert Schumann Rosi Grunschlag Royal Danish Orchestra Russian opera arias and romances (Sound recording) Sergei Vital'evich El'tsin Sound recordings Toni Grunschlag