emergence of European professional polyphony (this idea was developed by MariusSchneider for several decades). Russian musicians Mikhail Ippolitov-Ivanov and
Introduction, La Fuga della Atalanta, Girona: Ediciones Atalanta, 2007. MariusSchneider, Rudolf Haase, and Hans Erhard Lauer, Cosmic Music. Three Musical Keys
(before 1460, Haguenau (?)–1515 (?)), an Alsatian-Swiss chronicler MariusSchneider (fr) Elek Schwartz Theobald Schwarz (de) Pierre Seel (1923–2005), an
befriended and worked with the German ethnologist and musicologist MariusSchneider, who initiated him into the science of symbology. José Gudiol Ricart