Ultraminimal vinahouse system-test piece: pure kick and sub, 140 BPM, relentless 4-on-the-floor. Clean, ultra-tight low-end tuning around 30–45 Hz with precise sidechain shaping; extended sine sub riding under a hard, clipped kick. Zero melodic content or auxiliary percussion; this is a brutal, continuous pressure test for club systems and car subs., vocal, clean