Crazy Tour Stories Sister Sin / Liv Jagrell – CRAZY TOUR STORIES Ep. 330 [VIDEO] In this Crazy Tour Stories video, Liv Jagrell, the vocalist for the metal band, Sister Sin, share one of her wild stories from touring, while on Mayhem Festival 2015 with Slayer, King Diamond, Hellyeah, The Devil Wears Prada, Whitechapel, Thy…