sentences:  "Thresholds" continued the experimental sound created on the first album and the line-up was expanded to a six-piece with the addition of vocalist Dan Izzo, allowing Mike Browning to concentrate solely on drums.Lyrical topics range from Earth's climate and global warming ("Climate Controller"), primitive religions ("Tribal Vodoun"), underwater species ("Aquatica"), the Metal Gear video game series ("Subterranean Infiltrator") and extraterrestrial life ("Gridzone").The production of "Thresholds" is considerably more polished than that of "The Key".