Since my other email was so long, I am going to post this separately.
After looking at a lot of these transcriptions of responsibility collected by OLAC's crowdsourcing project (http://olac-annotator.org/ ), it is clear that there are a couple things that catalogers really want to do that are not accommodated by MARC. Will these
functions be supported in Bibframe? What sort of analysis is being done to identify gaps in MARC?
1. People want to link names and roles (and other info) to parts of resources. These can be:
individual works or films (e.g., a collection of animated shorts, a double-sided disc, a boxed set, disc with a concert and a related documentary)
versions (e.g., English language version, American version, restored version)
segments of works (e.g., nativity scene, "host segment written by")
The strategies used are legion:
Cast: In the valley of death: Lex Barker, Pierre Brice