String Quartets nos. 1, 5 & 10

String Quartet no. 5

String Quartet no. 10: I. Brisk, intent

String Quartet no. 10: II. Solemn

String Quartet no. 10: III. Deliberate but as fast as possible

String Quartet no. 10: IV. Sprightly, not too fast

String Quartet no. 1: Variation I: Clear and concentrated

String Quartet no. 1: Variation II: Sharp

String Quartet no. 1: Variation III: Still, spacious