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,
New World String Quartet members were: Curtis Macomber and Vahn Armstrong, violins; Robert Dan, viola; and Ross Harbaugh, cello. Members on recordings in the late 1980s and early 1990s included Curtis Macomber and Vahn Armstrong, violins; Benjamin Simon, viola; and Ross Harbaugh, cello. The quartet also recorded a Brahms piano quintet with Derek Han, piano. The quartet won the Walter W. Naumburg Foundation Chamber Music award in 1979. In 1980 the New World String Quartet became the first quartet-in-residence at Harvard University. The quartet was awarded a Grand Prix du Disque in 1991 for their recording of the string quartets of Debussy, Ravel, and