Here’s a little vintage over-the-top progitude, Emerson Lake and Palmer doing a live version of their version of Fanfare For The Common Man at Olympic Stadium in Montreal.
Here’s another take on it – a television performance from 1978:
By popular demand (in the comments), here’s the performance from Tollwood Festival, München, Germany, 24th June 1997:
Lots of discussion in the comments about what ELP performanced live, what was backing track and what was ‘mimed’. If you’ve got additional info or other thoughts on this, leave a comment!