“Dante,” Patrick Cassidy’s new opera is set to make its premiere on June 15 in Bavaria at the Theater Hof. The opera is based on Dante’s “Divine Comedy,” with the libretto by Cassidy and Lothar Krause, and texts by Dante Alighieri from “Vita nuova” and “Divina Commedia.” The performance is sung in Italian with German surtitles. Prior to the premiere {…}