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Also known as Jamel Simmons, Platinum Barz, Da Undertaker,
Origin Brooklyn, New York, USA
Genres Hip hop, Horrorcore
Years active


Labels Def Jam / PolyGram Records
Associated acts Erick Sermon
Headless Horsemen
Jam Master Jay
DR Period
OMN999 (Omen)
Kamp Crystal Lake
Members Tempest, Gravedigger and Redrum

Flatlinerz is a hip hop group from New York. Responsible for introducing the term Horrorcore with their 1994 release USA (Under Satan's Authority).[1]


The group is Redrum (Jamel Simmons, nephew of Russell Simmons) and two other emcees: Gravedigger and Tempest. FLM was an extension of the Flatlinerz (Flatline Massive) which included artists Butter, Mayhem, and OMN999 (Omen).

Def Jam targeted the Flatlinerz as an alternative to Gangster Rap which was dominating Rap at that time.[citation needed] The term "Horrorcore" is a fusion of Hardcore Hip Hop and Horror.

The video for "Live Evil" featured Redrum rhyming while hanging from a noose. The second and last video ("Satanic Verses"), features Tempest eating guts from a body, Redrum restrained with rats crawling on him, and Gravedigger rhyming on a crucifix.

In June 2014, The Flatlinerz announced via Facebook, that they have reformed and are working on a new project.



Year Title Chart positions
U.S. R&B U.S. Heat
1994 U.S.A.
  • Released: September 6, 1994
  • Label: Def Jam
65 24



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