Maybe everyone except me knew about this? During the first moon walk, Pink Floyd was in studio at the BBC jamming along with the live televised event. From David Gilmour in the Guardian:

“We [Pink Floyd] were in a BBC TV studio jamming to the landing. It was a live broadcast, and there was a panel of scientists on one side of the studio, with us on the other. I was 23.

The programming was a little looser in those days, and if a producer of a late-night programme felt like it, they would do something a bit off the wall. Funnily enough I’ve never really heard it since, but it is on YouTube. They were broadcasting the moon landing and they thought that to provide a bit of a break they would show us jamming. It was only about five minutes long. The song was called Moonhead – it’s a nice, atmospheric, spacey, 12-bar blues.

I also remember at the time being in my flat in London, gazing up at the moon, and thinking, ‘There are actually people standing up there right now.’ It brought it home to me powerfully, that you could be looking up at the moon and there would be people standing on it.”