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,
Annex String Quartet Annex String Quartet The Annex String Quartet, also known as The Annex Quartet, is a string quartet founded by violist Yunior Lopez in 2008 in Toronto, Ontario, Canada. Named after The Annex neighbourhood in downtown Toronto, the quartet began performing regularly in Toronto's many bars, coffee shops, and non-classical venues like Aroma Espresso Bar and the St. Lawrence Market. In 2010, they made their American debut alongside the Kronos Quartet at Carnegie Hall, and have since appeared in over 100 performances, recordings, and broadcasts. To date, the group's primary focus has been bridging the gap between classical and world music,