If you've hummed along, tapped your feet, or even danced in your seat while watching "Purple Rain," "Saturday Night Fever" or "Trainspotting," you're not alone.
The soundtracks from those movies have been named among the 50 greatest by the editors of Vanity Fair magazine. The full list will be revealed next month in a one-time Conde Nast magazine, Movies Rock, for subscribers of its 14 titles.