Right now is an exciting time to be a metal fan, and Soilent Green are one very prominent reason why. With punishing sludge and blindingly fast grind having long been established as metal's opposite poles, Soilent Green boldly defy convention by combining these two extremes into one incredibly potent concoction. Not everyone will appreciate Soilent Green's demented genius, but those who get it will truly get it. Creativity, complexity, and raw, primal aggression are all thrown into a blender on "Sewn Mouth Secrets," resulting in what is unquestionably one of the best metal albums of the past decade. Sounding like the Dillinger Escape Plan might sound if they had emerged from a swamp, Soilent Green serve up a non-stop onslaught of punishing dynamics and stunning technicality that rivals any band in the genre. The vocals, careening back and forth between between throaty growls and high-pitched shrieks for maximum insanity, are the perfect complement to the band's schizophrenic riff structures and and devastating rhythm section. If any one song is worth singling out, it's probably "Openless," if only because it crams more sonic mayhem into 23 seconds than most bands can summon up in an entire career. However, there isn't a single song on here that I wouldn't recommend; each one is a visceral, headbanging classic. The album's constant tempo changes have an unsettling effect that I can only assume is intentional, and they ensure that it's never a boring listen. "Sewn Mouth Secrets" is a deeply disturbed (and disturbing) album, and I mean that in the best possible way. After I got this CD I threw it in my car stereo and ended up letting it play through three times in a row, and if you're any kind of metal fan you'll probably have a similar experience with it. If you don't own "Sewn Mouth Secrets," your metal collection is incomplete, plain and simple.