The music from the movie The Hunt For Red October is very soothing.
assitant
There are many examples, but here is one:


https://www.youtube.com/watch?v=r4bYn2AlkH0
assistant
What are some relaxing songs or relaxing types of music?
user
It depends on what you want.  I would suggest you try some soundtracks to movies, which often create a particular mood.
assistant
Well can you recommend any relaxing soundtracks?
user