To increase the accuracy of your searches in the online library catalog, include the opus or thematic number of the work if it has one. To locate this number, search in the WORKS list under the composer's name in Oxford Music Online.
See the Naxos Music Library and the Classical Music Library on the UNC Music Library's homepage to listen to streaming audio. You can create playlists and access them from off campus using your onyen. Some physical and streamed recordings contain liner notes that are a good source of information about the piece(s), performer(s), and composer(s).
Go to Medici.tv to watch concerts, operas, ballets, documentaries, and master classes. You will need your onyen from off campus.
The best way to search for scores or recordings is by ALL FIELDS (KEYWORD) using the most distinctive words in the author's name and work title.
You can also specify a particular performer.
ALL FIELDS: Schnittke Yuri Bashmet
Use the options on the left side of the results page to refine your search by format or other parameter(s): Music Score, Music Recording, Subject (string quartets, viola and piano music), etc.
If UNC-CH doesn't own the piece of music you want, search for it in WorldCat. Make a note of the OCLC Accession number of the item you want and include it in your Interlibrary Loan request.