There is a What Song... party game app on the Google Play Store and Apple App Store that focuses on music discovery and social sharing. Is WhatSong Legal?
It identifies exactly when a song plays (e.g., "The song playing during the opening credits") so you can find that one specific tune from a 2-hour movie. whatsong download
It offers full playlists for entire series or film franchises, including official soundtracks and background music. There is a What Song