This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
Note that this is a playlist of uploads from different users rather than an official soundtrack. I couldn’t find one on Youtube Music and don’t know if one exists.
Annihilation.
It’s all ambient, but gives one heck of an ambiance. Especially near the end.
https://music.youtube.com/watch?v=XIN4t1mITNs&list=PLnC5rsstbt8qngbu5tKXVg77O8-__x4pB
Note that this is a playlist of uploads from different users rather than an official soundtrack. I couldn’t find one on Youtube Music and don’t know if one exists.