I used Shazam to figure out where the heck the music was coming from and it was from a movie that I had in my library… you know that random music that plays before you actually hit the Play button!? Yeah. That. Just hit play them stop the movie. So annoying but thank god for Shazam!
Is this for the Apple TV box? Which model?
Identify your Apple TV model - Apple Support
Find your Apple TV model number - Apple Support
That should only happen for movies with iTunes Extras, that have their own menu to bring access to the bonus content. That screen would have an audio track of its own, as the supplying studio intended. It is supposed to be engaging and immersive.
How to get rid of random background music on Apple TV
