4 Pieces for String Quartet, Op. 81

1 String Quartet No.4 in E Minor, Op. 44 No.2: I. Allegro assai appasionato
2 String Quartet No.4 in E Minor, Op. 44 No.2: II. Scherzo. Allegro di molto
3 String Quartet No.4 in E Minor, Op. 44 No.2: III. Andante
4 String Quartet No.4 in E Minor, Op. 44 No.2: IV. Presto agitato
5 4 Pieces for String Quartet, Op. 81
6 String Quartet No.6 in F Minor, Op. 80: I. Allegro vivace assai
7 String Quartet No.6 in F Minor, Op. 80: II. Allegro assai
8 String Quartet No.6 in F Minor, Op. 80: III. Adagio
9 String Quartet No.6 in F Minor, Op. 80: IV. Finale. Allegro molto