• 2 Composers
• 2 Wagner, Richard, 1813-1883
• 1 Aesthetics
• 1 Beethoven, Ludwig van, 1770-1827
• 1 Berg, Alban, 1885-1935
• 1 Berlioz, Hector, 1803-1869
• 1 History and criticism
• 1 Wagner, Richard

• 2 Adorno, Theodor W., 1903-1969
• 2 Tiedemann, Rolf
• 1 Adorno, Gretel
• 1 Brotons Muñoz, Alfredo
• 1 Buck-Morss, Susan
• 1 Chamorro, Joaquín
• 1 García Revilla, Enrique
• 1 Gavilán, Enrique
• 1 Gómez Schneekloth, Antonio, 1959-
• 1 Magee, Bryan
• 1 Schulz, Klaus, 1947-2014
• 1 Trejo, Fausto
• 1 Vilá, Consol

• 5 Spanish

• 1 Austria
• 1 France
• 1 Germany

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