Memphis. It's a place where music isn't just played; it's created. From that legacy comes Saliva. On the quintet's 12-song Island debut, Every Six Seconds, Saliva bring the sturm and drang of hard rock together with hip-hop, grunge and sheer, unbridled mayhem, while still preserving the spirit and soulful intensity of its forebears. Within the first few months of its formation, the fledgling group entered a Grammy Showcase competition sponsored by the National Academy of Recording Arts & Sciences. Despite being an unknown act at the time, Saliva -- which was among those chosen from 6,000 entries nationwide -- won the Memphis competition in January 1997 and then came out victorious in the semifinals, which were held in Austin, Texas the following month. Next came the nationals in New York City, where the band were finalist. "We want the world every time we go out to do something,"