Symphony Edward Elgar, Gustav Mahler, Jean Sibelius, Carl Nielsen, Igor Stravinsky, Bohuslav Martinů, Roger Sessions, and Dmitri Shostakovich composed symphonies "extraordinary in scope, richness, originality, and urgency of expression" (Steinberg 1995, 404). One measure of the significance of a symphony is the degree to which it reflects conceptions of temporal form particular to the age in which it was created. Five composers from across the span of the 20th century who fulfil this measure are Sibelius, Stravinsky, Luciano Berio (in his Sinfonia, 1968–69), Elliott Carter (in his "Symphony of Three Orchestras", 1976), and Pelle Gudmundsen-Holmgreen (in "Symphony/Antiphony", 1980). Beginning in the
National Symphony Orchestra Ghana National Symphony Orchestra Ghana The National Symphony Orchestra Ghana (NSO Ghana) is the national symphony orchestra of Ghana. It was founded in 1959 by order of Kwame Nkrumah, and established by Philip Gbeho (who had composed the Ghanaian national anthem in 1957), together with the musician Amihud (Ami) Elroy from Israel who was especialy invited to Ghana for the 3 years establishment mission. The orchestra is based in Accra, the nation's capital, and is a government organization, with its own administration under the control of the National Commission on Culture. According to the orchestra's website, it is the only classical