Great Moments in Classical Crossover

Freddy Mercury and famed opera diva Montserrat Cabelle perform the timeless Spanish anthem, Barthelona. Clearly Mercury has by this point mastered the physical act of identifying the downbeat with hip thrust, hands to fist, etc. Magicians everywhere look on with envy. Not sure where the orchestra is, perhaps inside an adjacent flaming oracle, but leave it to mad-scientist-inventor-conductor Brian May to find the best use yet for the once obsolete light saber.