http://www.rollingstone.com/music/news/ ... 1-20160311
Yes, Keith Emerson of that Emerson, Lake and Palmer, or simply ELP.
https://www.youtube.com/watch?v=w9TbiIEpZJ8 — “Jerusalem”
https://www.youtube.com/watch?v=fK92hdp6u18 — “Fanfare For The Common Man”