“Karl Evil 9, the song with ‘Welcome back my friends to the show that never ends’ – that’s just terrific. And the artwork by that guy [H.R. Giger] who did the stuff for Alien is remarkable. You could stare at that all day.

“I didn’t buy this record myself, but my older brothers played it and played it and played it, so I got to know it pretty well. ELP were a huge group, but beyond the actual music, they had theatrics on their side – Keith stabbing his keyboards with knives and all of that.

“ELP were a very angular group, much more influenced by classical music than maybe Yes were. A lot of what they did was pretty outrageous – some of it worked, and some… I don’t know. But they knew how to write a catchy pop song, for sure. Greg Lake wrote very pretty melodies.”