String Quartet No. 6 in B-Flat Major, Op. 18 No. 6 - Beethoven: String Quartet No. 6 in B-Flat Major, Op. 18 No. 6 - IV. La Malinconia (Adagio - Allegretto quasi allegro - Adagio - Allegretto - Poco adagio - Prestissimo) (降B大调第6号弦乐四重奏，作品18之6 - 第四乐章 忧郁的 - 柔板，近乎快板的小快板，柔板，小快板，稍柔板，最急板) (Adagio - Allegretto quasi allegro - Adagio - Allegretto - Poco adagio - Prestissimo)