The German bass-baritone Gerd Grochowski has died at the age of 60. Grochowski reportedly died in Mainz of a heart attack. The Bass-Baritone was known for his work in Wagner and his Klingsor in last summer’s “Parsifal” at Bayreuth. The bass-baritone enjoyed a 15 years career at the Bonn Opera before becoming an international singer. Grochowski then enjoyed an international career after breaking out {…}