Wake up to your conflicted emotions with Erich Wolfgang Korngold’s “Violanta,” and then sneak a cigarette with Ermanno Wolf-Ferrari’s “Il segreto di Susanna” (“Susanna’s Secet”). I’ll be filling in for Sandy Steiglitz today for “Sunday Morning Opera,” from 7 to 10 ET, on WPRB 103.3 FM and at wprb.com.