So there they were, lighting was crashing down from the heavens, Satan himself was determined to stop the rock.  His army of imps brought hellfire and brimstone upon Scott and Grace's amp, but that would not stop the rock.  Evil destroyed Grace's weapon of choice, the B3.  As it smoldered in ruination, the hand of God and reached down and touched their hearts, causing this band of road warriors to bring forth glorious rock'n blues.