(Credits: Hermann und Clärchen Baus) Giacomo Puccini’s “Tosca,” adapted from a play by Victorien Sardou, was famously criticized by American musicologist Joseph Kerman, who dismissed it as a “shabby little shocker” and predicted its swift decline from the operatic canon. Despite this, “Tosca” endures as a favorite among audiences, thanks to Puccini’s brilliant music and masterful orchestration that elevate it {…}