String Quartet in E-flat Major, opus 127; String Quartet in C# minor, opus 131
Listen to these clips:
opus 127, 1st movement
opus 131, 4th movement
As profound as a listener could want.
String Quartet in E-flat Major, opus 127; String Quartet in C# minor, opus 131
Listen to these clips:
opus 127, 1st movement
opus 131, 4th movement