“Jaap van Zweden conducts his first concerts as music director of the Dallas Symphony Orchestra [this week.] Also this week, Doug Adams takes over as president and chief executive of the DSO… These two men, the Dutchman who gave up one of the world’s top orchestra violinists’ posts to pursue conducting and the native Texan who left television management for the orchestra world, are set to transform Dallas’ 108-year-old orchestra.”