First movement and a sketch for a Scherzo - (Erstausgabe - First Edition)-Sikorski present the first publication of Mahler's 1876 Piano Quartet a work that reflects the composer's obsession with the great German compositional tradition. The piece reflects Mahler's concerns with the works of Brahms Schubert and Schumann - a highly valuable source of perspective regarding Mahler's early works and the development of his later more distinctive aesthetic.