Brahms: String Quartets Op. 51 Nos. 1&2; String Quartet No. 3, Op. 67 / Wolf: String Quartet In D Minor "Entbehren Sollst Du, Entbehren"

String Quartet No. 2 in A minor, Op. 51 No. 2 - 1. Allegro non troppo (a小调第二号弦乐四重奏,Op. 51 No. 2 - 第一乐章 不太快的快板)