Bass-baritone Peter Strummer has died at 76. Praised for his “warm, firm, agile” voice, Strummer had an international career where he sang over 120 major roles, including eight world premieres. For 15 years, the bass-baritone performed in German and Austrian opera houses, where, in addition to opera roles, he sang many performances of German and Viennese operetta. He also spent {…}