Piano Quintet (Schumann) in a double fugue. This coup may have been inspired by a similar confluence of themes in the E flat quartet op. 12 of Felix Mendelssohn. Schumann's piano quintet was widely acclaimed and much-imitated. Its success firmly established the piano quintet as a significant, and quintessentially Romantic, chamber music genre. The Piano Quintet in F minor, Op. 34 of Johannes Brahms, reworked from an earlier sonata for two pianos (itself a reworking of an earlier string quintet) at the urging of Clara Schumann, was one of many significant Romantic piano quintets that show Schumann's influence and adopt his choice of
String quintet a double bass, and Mozart's famous "Eine kleine Nachtmusik" may be performed with this instrumentation (the double bass being optional). Alternative additions include clarinet or piano (see clarinet quintet, piano quintet); and other closely related chamber music genres include the string quartet (much more common), the string trio, and the string sextet. A more unusual form of string quintet is the "violin quintet" composed of 3 violins, a viola and a cello (thus a string quartet with an additional violin). The term "string quintet" may refer to a group of five players that performs such works. The ensemble was standard