I tend to notice something there. There are tons of metal genres, but I think there tend to be three major crowds in the genre. First we have melodic metal, which consist of traditional heavy metal, speed metal, power metal, neoclassical metal, progressive metal, tradtional doom metal, symphonic metal, gothic metal, and folk metal. We also have extreme metal, which includes thrash metal, death metal, black metal, grindcore, and extreme doom metal (death/doom, funeral doom, blackened doom). Then, we have alternative metal, which would include groove metal, industrial metal, stoner metal, sludge metal, drone metal, metallic hardcore, post-metal, southern metal, and avant-garde metal. Does anybody look at it the same way?