Even by the standards of a world premiere this was a big one. Presented by 20th Century Fox ‘Bohemian Rhapsody’, the eagerly awaited Queen bio-pic played to 7,000 people in the hallowed confines of the SSE Arena Wembley. And therein lays a dilemma. Queen fans will be well acquainted with the confines of Wembley, not least the booming reverberant nature of its acoustics. And that of course is exactly the sound the producers of the film needed to be recreated for the live concert scenes within the film.