Extreme metal

Extreme metal is a term used to encompass with the most aggressive heavy metal subgenres. Although not referring to a important specific music genre, it includes many of early heavy metal subgenres is created in the 1980s. Although not well known to the mainstream music market, it has influenced many other sub-genres and has caused the proliferation of fashions and subcultures. Songs in this genre tend to be more powerful, abrasive, and aggressive than hard rock. The voice in his songs is one of the most characteristic elements, ranging from screams to guttural growls, through clean voices. The tempo of extreme metal is usually unusual, ranging from the speed of thrash and death metal to the extreme slowness of doom metal. However, the main characteristic of this genre is the distribution of the guitars. This instrument is usually tuned more heavily than normal, and seven-string guitars are used instead of six. The solos lose importance in this genre, since they have to value the riff more.

Primary genres

 * Black metal
 * Death metal
 * Doom metal
 * Biker metal
 * Thrash metal

Subgenres of primary genres

 * Subgenres of black metal
 * Ambient black metal
 * Folk black metal
 * Industrial black metal
 * Post-black metal
 * Blackgaze
 * Psychedelic black metal
 * Symphonic black metal
 * Subgenres of death metal
 * Brutal death metal
 * Industrial death metal
 * Melodic death metal
 * Slam death metal
 * Symphonic death metal
 * Technical death metal
 * Subgenres of doom metal
 * Epic doom
 * Traditional doom

Fusions between primary genres

 * Black-doom
 * Depressive suicidal black metal
 * Blackened death-doom
 * Blackened death metal
 * Melodic black-death
 * War metal
 * Blackened thrash metal
 * Death-doom
 * Funeral doom
 * Deathrash

Fusions with punk rock styles

 * Crossover thrash
 * Crust punk
 * Blackened crust
 * Crustcore
 * Crack rock steady
 * Grindcore
 * Blackened grindcore
 * Deathgrind
 * Electrogrind
 * Goregrind
 * Noisegrind
 * Pornogrind
 * Metalcore
 * Deathcore
 * Electronicore
 * Mathcore
 * Melodic metalcore
 * Nu metalcore
 * Progressive metalcore
 * Sludge metal

Fusion with other rock styles

 * Black 'n' roll
 * Death 'n' roll
 * Gothic-doom
 * Progressive doom
 * Stoner metal

Fusions with other musical styles

 * Drone metal
 * Pagan metal
 * Viking metal

Derivatives
Genres is influenced by extreme metal but usually not considered extreme themselves:
 * Avant-garde metal
 * Gothic metal, influenced by death-doom and doom metal
 * Groove metal, influenced by thrash metal and biker metal
 * Grunge, influenced by sludge metal and speed metal
 * Post-metal, influenced by doom metal