Calm is a collection of improvisational music. Personally I find it soothing to play these, and I hope others enjoy them. It's not for everyone, naturally, since people are different and have distinct preferences.
Three albums of calming improvisational piano music are available here in lists of some standard streaming services:
I start with piano because it is both visually and mechanically linear; therefore easier to map out where the sounds are, I hope to extend this process to other instruments. One at a time. I'm not going to rush it.