This fourth edition was prepared in 2015-2016 as a supplementary text for a graduate music cataloging course. This edition is rewritten to a large extent to conform to the new instructions and paradigms represented in Resource Description and Access (RDA). RDA instructions for printed music, recorded music and music video are accompanied by advice, examples, illustrations and complete catalog records, including versions in MARC21 format. Consistent with RDA, the chapter on form and choice of access points found in earlier editions is gone, replaced with a chapter on authorized access points....