LC, I can has Mix tapes?

I've submitted the following via the Library of Congress's Suggest terminology form:

I'd like to see a heading for Mix tapes, and another or a cross reference for Mix CDs.

I recently had a scholar at Barnard College who was researching mix tapes. A <"mix tape?"> search in your catalog yields 35 results, (in mine/Columbia University's it yields 82), including one in particular that could serve as a good warrant:

Mix tape : the art of cassette culture / edited by Thurston Moore.