String quartet movements with a large-scale structure similar to that of a symphony: Substantial modifications to the typical structure were already achieved in Beethoven's later quartets, and despite some notable examples to the contrary, composers writing in the twentieth century increasingly abandoned this structure. Many other chamber groups can be seen as modifications of the string quartet: Further expansions have also been produced such as the String octet by Mendelssohn. Notably, Schoenberg included a soprano in the last two movements of his second string quartet, composed in 1908. This instrumentation of adding a voice is succeeded by Hindemith , Finzi, Respighi, Ginastera,
String Quartet No. 20 (Mozart) King Frederick William II of Prussia (the first edition bore no dedication, however), is often polyphonic in a way uncharacteristic of the earlier part of the classical music era. The menuetto and its trio give good examples of this in brief, with the brief irregular near-canon between first violin and viola in the second half of the main portion of the minuet, and the double imitations (between the violins, and between the viola and cello) going on in the trio. String Quartet No. 20 (Mozart) The String Quartet in D major, K. 499, was written in 1786 in Vienna by