The lights go down. Familiar horns pipe up from a world-class orchestra as piano twinkles like the jackpot lights on a winning slot machine. Then, the voice kicks in. It has all of the smoky splendor those first few notes hinted at, but it ain't Ol' Blue Eyes. In a tailored suit with microphone in hand, it's Mark Tremonti. The GRAMMY® Award-winning multiplatinum musician sounds just as at home paying homage to the catalog of Frank Sinatra as he does fronting Tremonti or shredding his soul out as...