Classical music aficionados are a notoriously conservative bunch, particularly in Philadelphia, where attempts to modernize the concertgoing experience have nearly always been met with overt hostility. Video screens, in particular, have always been most unwelcome guests in the concert hall, even when the music demands their presence. “The issue is crucial among many who care about the future of classical music: The rationale is that visualizing this centuries-old art form could compensate for dwindling music-education programs in public schools, and could help cultivate a new, under-40 audience… Success often rests on two factors: Suitable visual content and the technical coordination with the music.”