He has conducted several premieres, including Hans Zender's Stephen Climax at the Oper Frankfurt, and is focused on the work by Bernd Alois Zimmermann.
Born in Cologne, Hirsch studied at the Hochschule für Musik und Tanz Köln.
[1] Hirsch conducted the premiere of the revised and complete version of Luigi Nono's Prometeo at La Scala in Milan in 1985.
[1][2] A year later, he conducted the world premiere of Hans Zender's opera Stephen Climax in Frankfurt, and of Nono's Risonanze erranti.
[4] Hirsch conducted world premieres also by Georg Friedrich Haas, Helmut Lachenmann and Klaus Ospald.