I discovered this genre a few years ago, and I still listen to it a lot. I might not have the boundaries of the genre quite right, but that’s okay because I like borderline and adjacent things as well.
If I remember correctly, my introduction to the term came with LAKE R▲DIO. These are probably my two favorite Lake Radio songs:
Another artist that I like is Horse MacGyver, who I think I discovered before hearing the term witch house.
Here are some songs that I like by ∆Aimon:
And here are a couple good ones by Glass Teeth (I mean GL▲SS †33†H):