Yeah

...the second record of Ummagumma because it is more- Uh, there is more purely about sound design and experimentation.

And yet again, if you go forward to Dark Side of the Moon, On The Run is a piece of electronic music which a lot-- again, you would say maybe that's a good example alongside Revolution nine of one of the most, um, widely heard pieces of experimental electronic music ever made.

But it's actually a much more successful and, and, uh, piece of electronic music.

So I think there, there in some ways it's been more important than Revolution nine.

But Revolution nine is obviously much more, um, abstract.

It's, it's fascinating, isn't it? That pe-- you say people still get upset about it.

Yeah.