String Quartet No. 4, Op. 22 (1921): I. Fugato. Sehr langsam...

String Quartet No. 4, Op. 22 (1921): IV. Mäßig schnelle Viertel (Acoustic recording made in 1925; Matrix nos.: 909 az; First issued on Polydor 66198/200)

String Quartet No. 4, Op. 22 (1921): III. Ruhige Viertel. Stets fließend (Acoustic recording made in 1925; Matrix nos.: 908-09 az; First issued on Polydor 66198/200)

String Quartet No. 4, Op. 22 (1921): V. Rondo Gemächlich und mit Grazie (Acoustic recording made in 1925; Matrix nos.: 910 az; First issued on Polydor 66198/200)

String Quartet No. 4, Op. 22 (1921): II. Schnelle Achtel. Sehr energisch. Presto (Acoustic recording made in 1925; Matrix nos.: 907 az; First issued on Polydor 66198/200)

String Quartet No. 16 in E-flat Major, K. 428: I. Allegro non troppo

String Quartet No. 16 in E-flat Major, K. 428: II. Andante con moto

String Quartet No. 16 in E-flat Major, K. 428: III. Menuetto - Trio

String Quartet No. 16 in E-flat Major, K. 428: IV. Allegro vivace (Recorded 1927; Matrix no. 143 bi; First issued on Polydor 66568/70)

String Quartet No. 16 in E-flat Major, K. 428: IV. Allegro vivace (Recorded 1926; Matrix no. 414 bg; First issued on Polydor 66418)

String Quartet No. 23 in F Major, K. 590: I. Allegro moderato

String Quartet No. 23 in F Major, K. 590: II. Andante

String Quartet No. 23 in F Major, K. 590: III. Menuetto. Allegro

String Quartet No. 23 in F Major, K. 590: IV. Allegro

Duo in E-flat Major for Viola and Cello “Duo with two obbligato eyeglasses", WoO 32