We are working on a test profile of the catalog that segments print, digital and digital music. You can see it here. Your feedback is welcome.
[Postscript: reaction to this has been very positive and the most common question is “When?” It is still in development but my expectation is to have it live no later than August 31. -CK]
We are pursuing this in order to join Freegal Music records with Hoopla records in the Digital Music tab, which will give us coverage of all major music labels. We have yet to add Freegal records, so you will not see them yet. It will also allow patrons who are interested only in e-audiobooks and ebooks to limit more easily.