Italic text denoted by _underscores_.
Illustrations shifted to the nearest paragraph break.
Copyright notice is from the printed exemplar. (U.S. copyright was not
renewed: this ebook is in the public domain.)
Page 49, “socalled” changed to “so-called”
Page 55, “Cosi fan Tutti” kept, but should be “Cosi fan Tutte”
Page 56-58, “SAINT-SAENS” kept, but should be “SAINT-SAËNS” (3 times)