For 10 points, name this ensemble whose repertoire includes the "Archduke" one and the "Dumky" one, traditionally consisting of a violin, cello, and piano.
At the age of 78, FaurÃ© forayed for the first and only time into this type of composition, which he put in D Minor. Sergei Rachmaninoff also wrote two compositions for this ensemble described as "elegiac," the second of which was written while Rachmaninoff was mourning Tchaikovsky's death.  One of Johannes Brahms's compositions of this type was inspired by clarinetist Richard Muhlfeld; as such, the violin is replaced by the clarinet. In another work of this type by Brahms, the cello is replaced by the French horn. Dvorak's fourth composition for this ensemble is named for its lamenting style resembling an epic ballad. Ludwig van Beethoven wrote seven of these compositions; his fifth gained the nickname "Ghost" while the seventh was dedicated to Archduke Rudolph of Austria. For 10 points, name this ensemble whose repertoire includes the "Archduke" one and the "Dumky" one, traditionally consisting of a violin, cello, and piano.
At the age of 78, FaurÃ© forayed for the first and only time into this type of composition, which he put in D Minor.
Piano trio