Recognized baritone Claudio Nicolai has died at the age of 91. The baritone died on May 11 in his home in the Canary Islands in La Palma. Born March 7, 1929 in Kiel, Germany, Claudio was baptized Claus Hennecke. His father was in the Navy and became an admiral staff officer during World War II. The baritone started his career {…}