Aureliano in Palmira, which gets its U.S. premiere next week, “tells the story of Roman emperor Aurelian’s 272 A.D. campaign against Queen Zenobia of Palmyra … [It] has had a fascinating journey – from highly anticipated star vehicle to underwhelming opening night to obscurity to recent rediscovery as one of Rossini’s most beautiful works.” And you’ll probably recognize the opening notes immediately.