Heavy metal is very "heavy" in music, giving the listener a hysterical and manic feeling. It is obviously different from other music, so this kind of music is named "heavy metal".

Black metal is usually classified as black metal when the lyrics contain anti-Christian and anti-religious tendencies. The lead singer uses screaming black accents, strongly distorted guitars, fierce but gloomy double bass drums, and moves quickly. In addition to traditional heavy metal fixed instruments, the rhythm and melody often use other instruments such as piano, violin, or opera soprano to create a weird and scary atmosphere in the song, as well as bring coldness and darkness. , with a feeling of despair.

"Death metal" is a kind of extreme music that emerged after thrash metal and can be classified as serious music. It not only uses noise and avant-garde classical music to scrape your calloused eardrums desperately, but also uses amplifiers to amplify them and roar them out with a force like a meat grinder.