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,
RTÉ Vanbrugh Quartet RTÉ Vanbrugh Quartet RTÉ Vanbrugh Quartet, also known as the RTÉ String Quartet is the resident string quartet to Raidió Teilifís Éireann, Ireland's national broadcasting service, and collectively artists in residence to University College Cork. The Quartet members are also founders of the internationally acclaimed West Cork Chamber Music Festival. The quartet comprises Gregory Ellis and Keith Pascoe on violins, Simon Aspell on viola and Christopher Marwood with cello. It is part of RTÉ Performing Groups. The RTÉ Quartet was founded in 1985 and won the London International String Quartet Competition in 1988. It is one of Europe's most successful