This is something I made over the course of an hour or two, just a scene with terrain generated by Unity's perlin noise, amplitutde changed over time by a sin function.
Try it out in your browser!
webGL link: https://spicygarlicalbacoreroll.github.io/chillOceanScene/index.html
I made this project based off of Brackey's Unity Procedural Terrain Tutorial https://youtu.be/64NblGkAabk
This project uses the Unity Post Processing Stack
The song is "Lovers(w-Beat Poems)" from Macross 82-99 https://neoncityrecords.bandcamp.com/album/a-million-miles-away