Raised by Jehovah's Witness parents in locales as disparate as Toronto and Trinidad, it was no surprise that Kheaven Brereton, aka k-os (pronounced: chaos) was a bit different than your average MC. A singer as well as a rhymer, and a producer to boot, k-os proved on his debut album, Exit (Astralwerks, 2002), that being preachy didn't have to mean being boring. The LP stood out dramatically with lush, instrument-driven arrangements to go with the traditional hip-hop elements of drum programming, samples, and the like. Acoustic guitar and piano marked the single "Heaven Only Kno...