I want to get an idea of how people think about patching and go about making something similar to this. How many synth voices would you use? What would you modulate? How would you control that modulation? What modules might you think essential to achieve the end result?

https://open.spotify.com/album/2l8OjMwlL7qklDoJLhAT4S?si=nAr0Zqs6QXK9IzTy7OS6Vw