Horrorcore

I'm gonna slice and dice cause murder's my vice. I'll stab you once, twice maybe even thrice. Carve initials in your liver. Make you quiver, deliver. Yeah, that'd be nice. I'll
dissect your heart. Rip your entrails apart. Hack off your head. And that's just the start.

—L.I.F.E. Long

Horrorcore rap music is essentially Gangsta Rap meets Horror Tropes, with a touch of bloodthirsty metal for good measure. There's dispute over where the genre originated, but it's agreed that the Geto Boys, Ganksta N-I-P, Brotha Lynch Hung and Insane Poetry were the forebears of the genre. Horrorcore is more or less gangsta rap turned up to 11. Expect subject matter to cover cannibalism, rape, torture, infanticide, occultism, necrophilia and other horrible things For the Evulz.

Artists in the genre include

Anybody Killa
BobENite: Evil Sounds Deep Averted to the extreme.
Brotha Lynch Hung
Bone Thugs-n-Harmony: Early works from the rap group.
Bloodshot
Blaze Ya Dead Homie
Boondox
Cage
Cannibal Carib
Con Crete
D12
Dark Half
DMX on his first two albums, before shifting away from the style on his third album.
Eminem
Esham
Flatlinerz
Geto Boys: Pioneered this style.
Gravediggaz, featured as the page image.
Ganksta N-I-P: Believed to have created it.
Hopsin
Insane Clown Posse
Insane Poetry
Jedi Mind Tricks
Komatose
King Gordy
Kid Crusher
Lo Key
MC Bushpig
Natas
Necro
NWA protege The D.O.C.'s Helter Skelter album.
OFWGKTA sometimes shows hints of this, although they deny this constantly.
Razakel
Razor Ruckus
Reverend Fang Gory
Scum
Stitchmouth: Deep South Horrorcore.
Smallz One
Sicktanick
Syko Sam, who released an EP called "I Kill People For Real"... and allegedly did just that!
Three 6 Mafia's underground work when they were called Triple 6 Mafia.
Tech N9ne
Twiztid
X-raided, whose lyrics were used to convict him of first-degree murder.

Record labels centered around this genre

Psychopathic Records
Lyrikal Snuff Productions
Serial Killin Records

Horrorcore often provides examples of the following tropes