The unknown for Furtwängler the unpublished performances given in Berlin during the Second World War ; (1942 - 1943) - Pepping, Ernst 1901-1981; Schubert, Heinz Richard 1908-1945 (Fono Enterprise, 1994)
Enth.: Symphony n. 2 in F major / Ernst Pepping. Hymnisches Konzert for soloist, organ and orchestra / Heinz Schubert. - Interpr.: Berger, Erna [Sopran]. Ludwig, Walter [Tenor]. Berliner Philharmonisches Orchester. Furtwängler, Wilhelm [Dir.]