Karen and I went last night to see Roger Waters perform "Dark Side of the Moon". It was billed as the "last ever" performance. (For those who don't know, Waters was the bassist with Pink Floyd. He plays a Fender Precision, and that was what it looked like last night.).
My title is a reference to the "insanity" thread running through it -- there was a bit of a tribute to Syd Barrett.
. . . and in those photos, as well as the brains on the screen, you can also sort of see a tetrahedron thing, representing the cover off DSOM, which was beaming light down on to the performers and projecting the spectrum of the rainbow around the audience.
The basic set was this:
which is the radiogram from "wish you were here"
and they had lots of lasers, pyrotechnics, and the famous flying pig:
Special effects aren't the point, though.
The musicianship was amazing. While it wasn't the original band, it was the best musicians money can buy, particularly Dave Kilminster on lead guitar. (Youtube and more)
The drummer (whose name I didn't catch) was also excellent.
By the end, everyone was singing along with everything. A very memorable evening.