Listen to Piano Trio in D major Op.1 - Piano Four Hands: I. Allegro non troppo, con espressione online. Piano Trio in D major Op.1 - Piano Four Hands: I. Allegro non troppo, con espressione is an English language song and is sung by Martin Jones. Piano Trio in D major Op.1 - Piano Four Hands: I. Allegro non troppo, con espressione, from the album Erich Wolfgang Korngold: The Piano Music, was released in the year 2004. The duration of the song is 10:40. Download English songs online from JioSaavn.