Grunge is not a movement typically associated with Queen’s brand of theatrical rock bluster. In fact, the Seattle underground was supposed to be its antithesis. No glossy artifice or arena showboating to be found among the likes of Nirvana, Soundgarden, Pearl Jam, or Alice in Chains; instead, such 1990s heavyweights were set to kick the buffoonery of hair metal into touch just like punk had pulled classic rock’s rug from underneath them in their…