Horn trio can mean a work written for three horns or horns as well as one for horn and two other instruments. In the latter category, an important genre is the trio for horn,

violin The violin, sometimes known as a '' fiddle'', is a wooden chordophone ( string instrument) in the violin family. Most violins have a hollow wooden body. It is the smallest and thus highest-pitched instrument ( soprano) in the family in regu ...

and

piano The piano is a stringed keyboard instrument in which the strings are struck by wooden hammers that are coated with a softer material (modern hammers are covered with dense wool felt; some early pianos used leather). It is played using a keyboa ...

. Although there are a few earlier examples, the tradition of this scoring was inaugurated in 1865 by

Johannes Brahms Johannes Brahms (; 7 May 1833 – 3 April 1897) was a German composer, pianist, and conductor of the mid-Romantic period. Born in Hamburg into a Lutheran family, he spent much of his professional life in Vienna. He is sometimes grouped wit ...

with his Trio in E, opus 40. Related combinations are those of (1) oboe, horn, and piano, (2) clarinet, horn, and piano, (3) horn, bassoon, and piano and (4) flute, horn, and piano.

Horn, violin and piano

Horn, oboe and piano

Horn, clarinet and piano

Horn, bassoon and piano

Horn, flute and piano

{, class="wikitable" , - ! style="background-color:silver;" , Composer ! style="background-color:silver;" , Title ! style="background-color:silver;" , Year of composition ! style="background-color:silver;" , Publisher ! style="background-color:silver;" , appr. duration , - , Eric Ewazen , Ballade, Pastorale & Dance , 1992–93 , San Antonio: Southern Music company, 2002 , 23' , - , Rudolph Speil , ''Ballade'' for flute, cornet (or horn, or violin) and piano , 1882 , Detroit
C.J. Whitney, 1882
, , - ,

Rudolf Tillmetz Rudolf Tillmetz (1 January 1847 – 25 January 1915) was a flute virtuoso and pedagogue from Munich, Germany. He was a great contributor to modern ideas on interpretation on the flute with his teachings and his technical writings. As a child R ...

, '' Two nocturnes '' for horn, flute and harp or piano, Op. 32b , 1904-1912 , Max Eschig , , - ,

Charles Koechlin Charles-Louis-Eugène Koechlin (; 27 November 186731 December 1950), commonly known as Charles Koechlin, was a French composer, teacher and musicologist. He was a political radical all his life and a passionate enthusiast for such diverse things ...

, ''Nocturne'' for flute, horn and piano, Op. 31 , ca. 1890 , Leipzig

, 6' Chamber music