 The Otonalities are derived from the overtone series, and the Utonalities from the undertone series.Partch rejected the Western concert music tradition, saying that the music of composers such as Beethoven "has only the feeblest roots" in Western culture.His Orientalism was particularly pronounced—sometimes explicitly, as when he set to music the poetry of Li Bai, or when he combined two Noh dramas with one from Ethiopia in "The Delusion of the Fury".