Browse the shelves for voice repertoire A large amount of repertoire can be found on the 4th floor of the Waterloo campus library in the following call number ranges. Solo songs with piano Call Numbers Description M 1619 Collections (more than one composer) M 1620 Collections of songs by a single composer M 1621 Single works by one composer M 1621.3 Single works with additional or obbligato instrument M 1621.4 Song cycles Sacred songs with piano or organ Call Numbers Description M 2110 Collections (more than one composer) M 2112 Collections by a single composer M 2113 Single works with additional or obbligato instrument M 2113.4 Sacred song cycles Arias from operas Call Numbers Description M 1500 Full score of operas M 1503 Piano-vocal scores of operas M 1505 Operatic excerpts (full scores) M 1507-8 Operatic excerpts (piano-vocal scores) Arias from oratorios and cantatas Call Numbers Description M 2000 Full scores of oratorios M 2003 Piano-vocal scores of oratorios M 2020 Full scores of sacred cantatas M 2023 Piano-vocal scores of sacred cantatas M 1613 Full scores of secular cantatas M 1614 Piano-vocal scores of secular cantatas