Lectures will be held on the days of the 2025/2026 season's "Sumida Door Sumida "TOBIRA" of classic Sumida "TOBIRA" of classic" which starts at 2:00 PM, we will delve deeper into the program notes (song explanations)... Read more: Knowing this will make the concert even more enjoyable! 60-minute one-coin lecture at 11:00 AM (November 2025)