I found a 2mn video of the ballet created by Maurice Béjart (RIP). There was no link on www.queenconcerts.com, so I assumed I could share that here. It is an extract taken from a TV news programme. Nothing tremendous, but...
Ps : For those who don't know and would want to know, INA.fr is a French website. INA is dedicated to the safeguard of the different things broadcasted on TV in France on all the different channels. A sort of memory of the TV history. They created this website where we can find images from the past years