"3 String Quartets"
[String Quartet No. 7 in G minor, Op. 9 No. 1 'Variations on God Save the King';
String Quartet No. 9 in F minor, Op. 9 No. 3;
String Quartet No. 22 in C major, Op. 47]
Mandelring Quartett
(CPO 1995) https://songwhip.com/mandelring-quartett/onslow-3-string-quartets