Writing your Classical Analysis paper without physical access to the library poses some new challenges, so I've included some online resources for scores, recordings, books and articles below. I'm also happy to provide individual research consultations.
Search@UW searches the books, recordings, scores, and many of the articles, you have access to through the UW system. While the physical library is closed, you can limit the search to "online resources" using the filters, and view ebooks and articles.
JSTOR has thousands of full-text articles and ebooks. By default, the search looks for the search terms anywhere in the full text of the article, not just in the title or summary. For this reason, it's good for finding sources that may mention a particular work somewhere as an example, even if that work is not the main subject.
For a more exhaustive search of books and articles on your topic, you can search RILM: an international bibliography with summaries of articles, books, dissertations, etc. You can use limiters to get only results in languages you can read. This searches a huge database of titles; we won't have access to all of them, but you can make an Interlibrary Loan request if you find something useful that's not in our collection.