You know, the process of making a documentary is one of discovery, and like writing a story, you follow a lead and that leads you to something else and then by the time you finish, the story is nothing like you expected.
The waltz can be sad and at the same time uplifting. You have to see life from both sides, and the waltz encapsulates that. If you're in my audience you give yourself to me and the waltz will grab you.