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,
Enso String Quartet chaos that is creation, the emptiness of the void, the endless circle of life, and the fullness of the spirit." The Ensō Quartet has won top prizes in many competitions including the 2003 Concert Artists Guild, 2004 Banff International String Quartet Competition, Chamber Music Yellow Springs, and Fischoff National Chamber Music Competition. The ensemble was chosen as the graduate quartet-in-residence at Northern Illinois University where they were mentored by the Vermeer String Quartet. They also completed a graduate residency at Rice University. The Ensō Quartet's recording of the complete Ginastera String Quartets was nominated for "Best Chamber Music Performance" Grammy