Is it possible to make subfolders?

I was wondering if was possible to make subfolders into a collection for prevent any disorder. Example:

Cinematic (main folder)


Adventure (subfolder)
Action (subfolder)

Collections do not work as folders, so you can’t put subfolders in them. You can however include a track in more than just one collection, so you could have a collection for Cinematic and another for Adventure and so on. You could then put links to your subcategories in your cinematic collection’s description.