Serotonin Zero, Tyran, and Misguided

SEROTONIN ZERO - dark hardcore / metal, Warszawa
https://serotoninzero.bandcamp.com/
https://www.facebook.com/serotoninzero
TYRAN - hardcore / death metal, Charzykowy
https://tyranmetal.bandcamp.com/
https://www.facebook.com/tyranmetal/
MISGUIDED - death metal / hardcore, Toruń/Bydgoszcz/Gdynia
https://www.facebook.com/misguided.0
misguided0.bandcamp.com/releases