https://video-mad1-1.xx.fbcdn.net/hvideo-xfl1/v/t42.1790-2/11955168_10154129150357388_134653537_n.mp4?efg=eyJybHIiOjUwNSwicmxhIjo3ODEsInZlbmNvZGVfdGFnIjoicmVzXzQyNl9jcmZfMjNfbWFpbl8zLjBfc2QifQ%3D%3D&rl=505&vabr=281&oh=60d23506d5bb17838b8817a184eb3af3&oe=55E4C3BD
The video seems to be from about 1979 (maybe early 1980).
I don't recognise the person with the bass guitar at all. Mind you, he might not be playing (a handy stagehand can mime as well as anyone!).
TIA,
JN


