Here's an obscure Dutch film I found out about on the Classic Horror Film Board though it's more of a fairy tale than a horror film. One might also consider it a film for kids though it is rather dark. The score plays a major role in the film as there is not a lot of dialogue. The lighting and cinematography are highly stylized. It's about a little girl playing by herself in the woods with her pets and dolls who falls into the clutches of a group of demons who are portrayed by puppets and bizarrely costumed actors. I can't say I've ever seen anything quite like this. As of 5/8/15 the film is available on YouTube but you need to search for it with the Dutch title: Myrte en de demonen.