...Slipknot WHEN: Saturday THE VENUE: The Tabernacle, 152 Luckie St., Atlanta COST: $27.50 BEST KNOWN FOR: Punishing metal riffs and Halloween fright masks WHAT THEY'RE PUSHING: Vol. 3 (The Subliminal Verses), due to be released May 25 TRIVIA...

...Stafford's arms are covered with tattoos, Jon Keegin wears a septum ring, and there are the double kick drums and the speed metal riffs. What sets them apart is when Stafford, 24, opens his mouth and sings. The lyrics are about God. On closer look...