So sad to hear this. Back in the day, I loved ELP. They had a sound all their own. Also, so sad to hear of the passing of so many greats like: Prince, David Bowie, Alvin Lee, (Ten Years After), etc.
I remember many years ago, a music video from MTV of a live performance by ELP. The most unusual thing about this concert, was that Keith was seated at a white piano, that spun 360 degrees thru out the song. Somehow, he sat on the Piano stool, and he did not fall off. How they got the piano motorized & connected to the piano seat is beyond me. Does anyone know where I can find this performance? I couldn't even find it on U Tube.