Comment by 082349872349872

Th' Dead not only allowed taping, they encouraged it: at the shows I attended, there was invariably a small grove of microphones set up near the soundboard, in the middle of the audience.

https://en.wikipedia.org/wiki/Taper_(concert)

(a disadvantage to too much ethology reading: I can't remember "Bill Graham Presents" without thinking of baboon behaviour)