Under Kalmar’s command, Grand Park forces triumph in oratorio hailing end of World War II

Review: We’re well into another Grant Park Music Festival season that has demonstrated once again the value of conductor Carlos Kalmar’s artistic leadership through 18 summers. Where else but in Millennium Park, under Kalmar’s baton, might one hope to hear the likes of Swiss composer Frank Martin’s grand-scaled, inexplicably neglected oratorio “In terra pax,” a profound and moving reflection on the long-awaited end of the carnage that was World War II.