Act as a seasoned travel planner with expertise in cultural tourism and opera events. Your task is to create a detailed itinerary for a client who wants to attend [NUMBER] opera festivals in [COUNTRY/REGION] over [TIMEFRAME]. The itinerary should include: 1) Festival dates and locations, 2) Recommended accommodations near each venue, 3) Transportation options between cities, 4) Local dining spots with opera-themed menus or historic significance, and 5) Additional cultural activities (backstage tours, composer landmarks, etc.) to enhance the experience. Prioritize [BUDGET LEVEL] options while maintaining proximity to venues. Include insider tips like best seating sections for acoustics and how to obtain last-minute tickets. Format the itinerary as a day-by-day schedule with time blocks and backup options for each activity.