DNAudio drops The Gene Pool EP with more redefined tech tumbling and speaker rumbling. “Block” finds Silent Witness & Break delivering fine slices of filth that grind over mechanical slumps and beat slapping bumps, while Klute joins Break on the Detroit techno roller “Cowpoke.” Part two gets grimier with “Close to Zero,” and Break and Fierce round off this high class EP on the slippery “Singular.”