"Mood music" refers to a type of music that creates a particular atmosphere or sets a specific emotional tone. It is often used to enhance or reflect the mood or ambiance of a particular situation or experience. Full definition
I can even see a market for things that have a little instrumental mood music as you read along, as long as you can easily turn it off. (madgeniusclub.com)
A place for a yoga mat with a mirror, tv and speakers in the ceiling for mood music. (theinspiredroom.net)
For instance, you could turn the lights down and start playing mood music with a press. (tomsguide.com)