Getlo you and I debated what pro-footage meant at that time. I can not recall this avante garde guys name but I'm sure you recall the debate. (you have a very low opinion of avante garde filmmakers as I recall) But he does have 16 mm footage which has only been used so far in a short 4-5 minute avante garde film which was nominated for some avante garde award. He used some of the footage -speeded up, with quick cuts- along with music by Mozart? (or another famous composer)
He is considered a professional filmmaker and he used 16mm cameras. He was not authorized as far as I can find out. But as I said in the other thread I don't care if its authorized, I care how clear the footage is (and this is 16mm clear) and how much of the concert was recorded. Thats really all most would care about who love to see Elvis perform.
The thread we talked about this was not that long ago.