I have a concern about collecting dances.  When I first began to consider calling contras, I video recorded several dances, mostly to observe and study the walk-thus.  Since I have begun calling, I carry a memo pad in my pocket, and write down dances, or titles, that I find interesting.  Many of these dances never make my active calling collection, but many do.  I have always asked the callers/bands for permission to record, but I have not asked for permission to notate dances and titles.