Piano Sonata No. 13 in E-Flat Major, Op. 27 No. 1 - Beethoven: Piano Sonata No. 13 in E-Flat Major, Op. 27 No. 1 - I. Andante - Allegro - Tempo I (第1楽章: Andante - Allegro - Tempo I|ダイイチガクショウアンダンテアレグロテンポプリモ)