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Mari Hirotsuru
Hirotsuru Sumire
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Governor of Oita Prefecture
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Mayor of Ashiya City
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Sumire Hirotsuru and Her Harvard Friends Classical Concert
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SIJ2026 Opening Address
Mari Hirotsuru
Hirotsuru Sumire
From Our Board
Governor of Oita Prefecture
Deputy Mayor of Oita City
Mayor of Ashiya City
President of Ritsumeikan Asia Pacific University
President of Akita International University
SIJ2026
Instructor Application
Student Application
Sumire Masterclass Application
Harvard Instructors Profile
SIJ Location
Concert
Sumire Hirotsuru and Her Harvard Friends Classical Concert
Archives
Past SIJ
Archives2025-EN
Archives2024-EN
Archives2023-EN
Archives2022-EN
Archives2021-EN
Archives2020-EN
Archives2019-EN
Archives2018-EN
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