In 1983, Bowie signed an expensive contract with EMI Records and released the huge hit album Let's Dance. As Queen's fame and success was also catapulting ever higher, the timing for the release of ?PRESSURE? stalled and it was eventually agreed that the window of opportunity had passed. The album was shelved and the rest is history?.
http://www.guardian.co.uk/music/2008/jul/13/popandrock.art