Słowa kluczowe: sersera, guembri, Gnawa, Brussels, Morocco, amplification, Wassily Kandinsky, Thomas von Hartmann, Alfred Schnittke, The Yellow Sound, Der gelbe Klang, sound and colour, synesthesia, music, philosophy, painting, water, Clara Schumann, musical salon, 19th century, Germany, Georgian chant, Gelati school, Orthodox Church, liturgy, Harrison Birtwistle, David Harsent, Minotaur, musical rhetoric, contemporary opera, silence, death, Gisèle Brelet, Tōru Takemitsu, Raymond Murray Schafer