• For all 700s and 710s without ‡t, use ‡e with relator term.  Use terms, not codes.  Record the term “composer,” or another term in ‡e from the LC MARC Code List for Relators.
  • For best practices in determining relationships between creators, works, and expressions see Music Cataloging at Yale/RDA/Names/Persons/Identifying, choosing, and recording preferred and variants names for persons.
  • For more guidance in determining appropriate terms, see Music Cataloging at Yale/RDA/relationship designators.


  • Collaborators recorded in statement of responsibility, scope and content, or other notes, such as:
  • Author of vocal text, if author collaborated with composer.  Use ‡t if literary source title differs from work title of musical setting.  For non-collaborating authors, use 600 with ‡v Musical settings instead.
  • Editor
  • Copyist


  • Multiple works present in single manuscript, with ‡t for title of work.
  • Use ‡i to clarify a relationship between creators and works in 1xx/245 and 7xx.



700 12 ‡i Libretto based on Le medecin malgre lui: ‡a Moliere, ‡d 1622-1673 ‡t Medecin malgre lui.

(opera with libretto based on a work by Moliere)

700 12 ‡a Coppée, François, ‡d 1842-1908. ‡t Passant.

(opera with libretto by Coppée; title of opera different than title of novel)

700 12 ‡a Menasci, Guido.

(opera with libretto by Manasci)

700 12 ‡a Gounod, Charles, ‡d 1818-1893. ‡t Medecin malgre lui; ‡o arranged.

(recitatives added to Gounod’s opera by Satie)