Modifies a noun

• opera: In 2003 Opera Rara celebrated 25 years of recording the rarest of 19th century bel canto operas.

• repertoire: He first developed a reputation as a performer of Mozart and the bel canto repertoire.

• repertory: She has made numerous recordings and has been one of the mainstays of Opera Rara's excursions into the forgotten bel canto repertory... .