The classical music conductor Michael Boder has died at the age of 65, Vienna’s Musiktheater an der Wien announced on Monday. The musician died on Sunday in the Austrian capital. He had been conducting rehearsals there for a project to mark the 150th anniversary of Arnold Schönberg’s birth. Boder was considered a specialist for the music of the 20th and 21st centuries, conducting world premieres by composers such as Germany’s Hans Werner Henze, Manfred Trojahn and Aribert Reimann, and Poland’s Krzysztof Penderecki. Stefan Herheim, the artistic director of the Musiktheater an der Wien, praised …