The phrase "fantastic soundtrack" refers to the music or songs used in a movie, TV show, or video game that are exceptionally good or impressive. Full definition
Beautifully filmed and acted, and an absolutely fantastic soundtrack. (timeout.com)
Even those that don't tend to love the harsh genre will enjoy the visual flair and fantastic soundtrack on offer. (metacritic.com)
This international trailer doesn't really show a ton of new footage, but it does feature one of the songs from the apparently fantastic soundtrack. (collider.com)