RAUSCH, adventurous piano-driven rock outfit from Philadelphia, PA, finally release long-awaited sophomore studio effort “Book II” today.  The record – mixed by Rich Mouser (Chris Cornell, Dream Theater,Weezer), with additional production by David Ivory (The Roots, Halestorm) – comprises 9 diverse-yet-cohesive tracks, ranging from emotionally charged anthems (“Greener Grass,” “Swansong”)…