Many opera lovers have shared that their favorite parts of favorite operas are the duets, two voices blending in love or hate or friendship. Norm Hollingshead also loves operatic duets and has created 2 lectures devoted strictly to some of his favorite duets. January 23 is part one, covering comic duets, vengeance duets, friendship duets, parent-child duets, etc. January 30, part 2, will explore love duets.