Question: Friedrich Klose (1862–1942) was a German composer, his opera "Ilsebill" (1903) is inspired by the music of Richard Wagner and which leading German composer of the late Romantic and early modern eras? 
Sentence (from "Friedrich Klose"): His opera "Ilsebill" (1903) is inspired by the music of Richard Wagner and Richard Strauss, and the plot is based on the Brothers Grimm tale of a fisherman who catches a huge fish which grants wishes.
Relevant evidence: Yes