String Quartet no. 1 / String Quartet no. 4

String Quartet no. 1: Allegro moderato, semplice

String Quartet no. 1: Andante, grave – Allegro – Tempo I

String Quartet no. 4: Allegro

String Quartet no. 4: Presto

String Quartet no. 4: Andante sostenuto –

String Quartet no. 4: Assai vivace