Constantin Floros is professor emeritus of Musicology at the University of Hamburg. Among his works are volumes of the origin of Gregorian neumes, about Semantics and Listening, about Wolfgang Amadé Mozart, Gustav Mahler, Anton Bruckner, Johannes Brahms, Ludwig van Beethoven, Alban Berg and György Ligeti.
Ernest Bernhardt-Kabisch is professor emeritus of English and Comparative Literature at Indiana-University. He has translated several books by Constantin Floros.