ZYSTEM TRAGIC TERROR KEY is a hard electro band, originated in 2006 by Dr. Zyn. With strong rhythms, melodies harrowing and highly bloody lyrics.

ZTTK has 4 compact discs and several international compilations. their experience also is international and ZTTK has shared the stage with greats bands of hard electro music like a Ramstein, Alien Vampires, God module, Accesory, Hocico, Amduscia, C lekktor, Larva, Zombie girl, Powerman 5000 and others.

ZTTK has travelled to countries like Portugal (Oporto), USA (Texas, California, San Diego and San Francisco) and Mexico (DF, Michoacán, Veracruz, Puebla, Mexico State, Saltillo, Monterrey, Guerrero, Tijuana, etc)

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