METAL ALLEGIANCE — with its four core members: David Ellefson (MEGADETH), Alex Skolnick (TESTAMENT), Mike Portnoy (THE WINERY DOGS, ex-DREAM THEATER) and Mark Menghi — began as a celebration of heavy metal, powered by the almost tribal bond shared between the extreme music community's most revered trailblazers, armed with a list of contributors onstage (and off) that read like a Wikipedia entry on the genre itself. The band will release its sophomore album, "Volume II - Power