Angel Eyes,
You could add this option:-
d. Easter Holiday period here in the U.K., the forum has been quiet.

The TV Broadcast from Tokyo which has already been posted is more or less the only decent film of the 77 tour, audience filming was very rare back in those days. We are lucky to have that TV broadcast!
Here is a link to the only other piece of film from that tour I have seen over the years, I don't know if you may have seen it before. The video part kicks in around the halfway mark with only audio up to that point.
https://youtu.be/3hIM0KJEMOE 