When Freddie Bulsara arrived in England in 1964, fleeing with his family from a bloody revolution on the streets of his homeland Zanzibar, he already knew that he wanted to be a rock'n'roll star. But before that dream could become a reality, there were three specific people he needed to meet. Brian May, Roger Taylor and John Deacon were the other three components in what became Queen, a band whose name is now writ large in rock legend, but whose members spent their early career mired in legal troubles, critical hostility and financial hardship. In the early 1970s, with their preening singer and arch conceptualiser now renamed Freddie Mercury, the group projected an image that was at once regal, mystical and exotic. Yet behind the black eyeliner and billows of dry ice, Queen were four sh...