Assertion: tone's pitch | /r/CapableOf | lie outside traditional twelve-tone system
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text: The Austrian composer Franz Richter Herf and his colleague at the Salzburg Mozarteum, the music theorist Rolf Maedel, preferred using the Greek word ekmelic when referring to "all the pitches lying outside the traditional twelve-tone system" (Hesse 1991, 216–17).