The Piano Quartet in G minor, Op. 25, was composed by Johannes Brahms between 1856 and 1861. It was Clara Schumann who owned this masterpiece, as she was the pianist for the first performance in 1861 in Hamburg. It was also played in Vienna on November 16, 1862, with Brahms himself at the piano supported by members of the Hellmesberger Quartet.[1] Like most piano quartets, it is scored for piano, violin, viola and cello.

The quartet is in four movements:

Allegro
Intermezzo: Allegro
Andante con moto
Rondo alla Zingarese: Presto

The quartet was orchestrated by Arnold Schoenberg in 1937 and premiered by the Los Angeles Philharmonic Orchestra; this orchestrated version was made into the ballet Brahms–Schoenberg Quartet by George Balanchine.

https://www.youtube.com/watch?v=6tbylmoxE10