Deterioration and Necrostalker

Deterioration is a brutal death metal and grindcore band from Minneapolis, Minnesota, USA, formed in 2003. Known for their prolific output and old-school DIY grind attitude, the band features brothers Jim and Joe Kahmann. They are recognized for blastbeat-heavy, ultra-short songs, incorporating deathgrind and noisecore. Notable albums include Retaliatory Measures, Paranoia & Violence, and Prepare for the Worst. Popular songs include Car Battery Interrogation and Brute Force Life.