This weekend is all about variety with some companies showcasing perennial classics and three others showing modern works with tremendous socio-political relevance. Das Rheingold – Arizona Opera  Opera Arizona will showcase the first installment in Wagner’s famed tetralogy with Mark Delavan as Wotan, Rodell Rosel as Loge, Richard Paul Fink as Alberich, Daveda Karanas as Fricka, and Dana Beth Miller {…}