DEATH METAL
Death metal is one sub genre sub of effloresce heavy metal music from thrash metal in the early 1980. Severally individuality it is lyric that violence or death, guitar beat contemns( downtuned rhythm guitars ), fast one percussion, and dynamic intensity. Vocalic usually been sung by death grunt or death growl . Tech warbles as this also frequent so-called "Cookie Monster vocals". Severally this genre's pioneer is Venom with its album Welcome to Hell (1981) and Death with Scream Bloody Gore album (1987). Death metal then is developed more by bands as Carcass, Morbid Angle, Deicide, Obituary, Entombed, God Macabre, Carnage and Grave . Cannibal Corpse 'n many more..
Death metal: flow that begun by startup 90' an constitute developings from thrash metal, this music not so fast, haven't available blastbeat, low tune guitar growl's voice, and this content not always oppose religion, or curtsey devil, but talking about death or one is engaged darkness, Even talking about social life/antisocial/ torture/porno until politics.
Death metal: vocalic growl or screams to get low type, dominate viscous guitar, and gets quick tempo (150bpm onto) a brass band example it six feet under, suffocation.
Metal Brutal (more by and large brutal death metal / grind) : nearly equals death metal, but example more complex it in its drum game with tempo arbitrary being intermediated songs. the band example is : Disgorge US / MEX, Devourment. Severe Torture and many more.
Severally subgenre death metal:
• Melodic death metal heavy metal is dashed with some element death metal, e.g. death growl and blastbeat
• Progressive death metal is affiliate among death metal and progressive metal
• Brutal death metal affiliate among grindcore and death metal
• Slam death metal is affiliate among metalcore / groove metal and death metal
• Death / Doom is affiliate among doom metal and death metal
• Blackened death metal is affiliate among black metal and death metal.

BLACK METAL
Black Metal seed is planted out at startup 80' an that is known as "First wave", earliest idea to be started by bands of England. Over band of great britain, VENOM passes its debut album ‘ Welcome To Hell ’. After rupture from NWOBHM Metal more tend experience term where band moring to accentuate style future instead of voices / sound.
Black metal started by Venom on year 1982 over album gets title ‘ Black Metal ’. then followed by bands as Bathory, Mayhem, Mercyfull Fate, Hellhammer / Celtic Forst. all this band most Influence with Venom. A brass band Black Metal is still tend to play Thrash Metal. In the early 80’an until 90’an, Black metal really effloresce at Skandinavia's region. metal's music this type also included metal underground's type.

Black metal has genre's Sub named NSBM, NEO NAZI BLACK METAL. Two that community included influential one at Underground's community. A brass band that famous of this music type is At your Dimmu Borgir, Cradle of Filth, Dark Funeral, Marduk, Emperor and Immortal 'n Many more.
Black metal: hi pitch's vocalic characteristic sometime also so low, little bit orchestra, and song atmosphere dibbles and not always get quick tempo (180 bpm onto). a brass band example : Cradle Of Filth, and Dimmu Borgir N' many more.

"TheTrue Metals will never Die"