The best movie soundtracks do more than complement the images you see on screen. In the hands of a great filmmaker and a gifted music supervisor, a soundtrack can take on a unique life of its own, helping to popularize micro-genres, shining a light on previously obscure artists, or making new hits out of perfectly timed needle drops. They have the power to transport you through time and space, whether it's a memory of catching a Pulp Fiction matinee or watching the trailer for A Star Is Born on your phone.

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"Kiss From a Rose" by Seal ("Batman Forever")
Follow Billboard. All rights reserved. In honor of the Oscars, we've ranked the biggest film songs to ever hit the Hot Movies and music have been a natural combination ever since sound was first added to moving images.
Do you like movies? Music? Then you're in luck.
So many factors go into making the best movies, some of which you might not even notice. First, there's the plot that will excite your imagination and keep you engaged from the title screen all the way through the credits. Then, there's choosing the right actors to fit the look and feel of the story, and putting them in the setting and costuming that make the story come alive. But even though many of us gloss right over the background music in our favorite flicks, soundtrack also plays a pivotal role in keeping you on the edge of your seat, strumming your heartstrings and getting your toes tapping, sometimes all in the same film. Of course, some movie soundtrack songs have stepped out of the background and risen to even greater popularity than the movies in which they originally appeared.
How many of these unforgettable movie songs do you already know by heart? Some of them have become such classics you might not have even known they were from movies! The Wizard of Oz was such an important film that it is still changing lives 80 years after it first graced the silver screen in Its music is a big part of its charm. Dorothy Gale Judy Garland sings the song while she is daydreaming in Kansas before she makes her journey to Oz. Lady Gaga and Bradley Cooper had such a strong connection on screen in the film A Star Is Born that viewers started speculating that they must have a real-life romance.