This one is easy! The ezproxy prefix is preset in this database.
You only need to copy and paste the URL, Bookmark or Permalink for off campus and on campus access.
For Alexander Street Music databases the permanent link URL can be found by clicking on the </>Embed/Link option at the top of the article.
Click on </>Embed/Link for a pop up window.
Copy the link, which already includes the WAM proxy. http://0-search.alexanderstreet.com.archway.searchmobius.org/view/work/bibliographic_entity|liner_notes|918671
*WAM proxy does not need to be added separately as it's preset to be included in this database