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,
Atrium String Quartet Atrium String Quartet Atrium String Quartet is a Russian string quartet and one of the leading young ensembles. Quartet founded in 2000 in St Petersburg. Atrium Quartet is the prize-winner of several International Competitions including First Prizes of IX London International String Quartet Competition in 2003 and VII Bordeaux International String Quartet Competition in 2007. Recordings (EMI, Zig-Zag Territoires, Oclassica, Columna Musica, Profil Haenssler) of the quartet include works by Haydn, Mozart, Beethoven, Brahms, Debussy, Shostakovich, Tchaikovsky, Yuri Falik and Jordi Cervelló (his "A Bach" and "St Petersburg" quartets dedicated to the members of the Atrium Quartet). In 2013 Quartet