Great find: filmed in the studio for a French television programme near the end of 1966, this YouTube footage shows the Rolling Stones in Olympic Studios, Barnes, London.
A pleasue to see them at work with Brian still active playing various instruments. The backing track to these scenes is Let’s Spend The Night Together. To be honest, I would have prefered to listen to the actual sound … but still, it’s great to see!
Faroutmagazine has a nice article about this. And here’s the video: