Once you have found your sources, it's important to write them down somewhere with a brief explanation of what the source covers. This is good for a couple reasons. First of all, it means you won't have to struggle with a bibliography when you're done with your paper. Secondly it means you'll remember what source to refer to when you are adding citations.
Check out The Linking Guide when figuring out what url (the permalink) to put in the citation of your articles.
Scholarly papers in Music use Chicago Turabian so make sure you know the Chicago Turabian Guidelines! You can find them within the Bibliographic Style Guide or you can look at the Online Writing Lab's (OWL's) webpage on Chicago style.