Paul McCartney, Mick Jagger & who is that mystery man? Quiz.

This photograph hangs on the wall of a significant financier. We can see it’s McCartney and Jagger in a recording studio. Three questions. Who is the guy with the neckerchief biting his nails? Which studio are they in? What year is it?

Over to you…..

Update – Is this the same guy (the one on the right)?

And this guy (on the left)?

and left here….

conclusive proof:
.

The man in the shirt is Glyn Johns.

Is this the studio? From 4.45

Still looking for confirmation of the year and the studio.