33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli - Beethoven: 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli - Variation XXI (Allegro con brio - Meno allegro - Tempo I) (第21変奏: ALLEGRO CON BRIO - MENO ALLEGRO|１)