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 performs at schools, hotels, weddings, and funerals, as well as at Easter and Christmas concerts. Since 1996, the orchestra has presented an African Composer's Series, in which it performs the works of composers from Ghana and other African nations. 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