I am always so peaceful when listening to heavy metal ... :D I think the article should focus more on good music elements versus bad music elements. My brain gets annoyed at bad music. Good music can be useful though, in particular for relaxing. I normally dislike jazz-elements, but Sade for instance is acceptable (not pure jazz, but she uses jazzy elements).
Dissecting the Bloodthirsty Bliss of Death Metal: https://news.ycombinator.com/item?id=18335308
Death metal music inspires joy not violence: https://news.ycombinator.com/item?id=19383699