Whose song is String Sextet No. 2 in G major, Op. 36: I Allegro non troppo?

Artist		Album
Daniel Harding		Violin Concerto / String Sextet No.2
Isabelle Faust		Violin Concerto / String Sextet No.2
Johannes Brahms		Violin Concerto / String Sextet No.2
Mahler Chamber Orchestra		Violin Concerto / String Sextet No.2