Mambo Italiano achieves its overwhelming power through a perfect balance of fast-paced comedy and poignant drama. Angelo, at the prompting of his equally repressed sister Anna, has told his very traditionally Italian immigrant parents, Maria and Gino, that he is gay. Hurt, betrayed and mortified by Angelo’s coming out, his lover Nino is not unprepared for his widowed Italian mother Lina’s reaction—a full-on operatic barrage of melodrama and hysterical excess so profound it gives even Angelo’s...