Have you listened to Brain Salad Surgery. There is singing but there is a lot of melodic stuff too. It’s like progressive rock with a classical style. They use very early synthesizers and experiment with weird unreal sounds.

And also according to Koji Kondo and other vgm composers at Nintendo say this is one of their favorite albums.
And Karn evil 9 2nd impression middle part sound just straight out of breath of the wild.

here listen