String Quartets 4, 6, 7, 8

String Quartet nr IV E-flat major, op. 54: Allegro molto vivace

String Quartet nr IV E-flat major, op. 54: Adagio cantabile

String Quartet nr IV E-flat major, op. 54: Final - Rondo allegro assai

String Quartet nr VI in the 7th gypsy key of G, op. 81b: Allegro

String Quartet nr VI in the 7th gypsy key of G, op. 81b: Lento doloroso

String Quartet nr VI in the 7th gypsy key of G, op. 81b: Scherzo vivo

String Quartet nr VI in the 7th gypsy key of G, op. 81b: Finale allegro

String Quartet nr VII, op. 91: Moderato