Punctuation and spelling were made consistent when a predominant preference was found in this book; otherwise they were not changed.

Simple typographical errors were corrected.

Ambiguous hyphens at the ends of lines were retained.

Page vii: Illustration "PUCCINI IN HIS STUDY AT HIS MILAN HOUSE" (facing page 46) is not in the List of Illustrations.

Page 15: "On! how I" may be misprint for "Oh!".

Page 19: "music schools, agencies," was missing the first comma; added here.

Page 88: "the toils of her enchantment" was printed that way.

Page 96: "E luce van stelle" was printed that way.

Page 100: Missing closing quotation mark added after 'at least equal to his.'.