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
Symphony military band, to be performed out of doors, and is an early example of a band symphony. Berlioz later added optional string parts and a choral finale. In 1851, Richard Wagner declared that all of these post-Beethoven symphonies were no more than an epilogue, offering nothing substantially new. Indeed, after Schumann's last symphony, the "Rhenish" composed in 1850, for two decades the Lisztian symphonic poem appeared to have displaced the symphony as the leading form of large-scale instrumental music. If the symphony had been eclipsed, it was not long before it re-emerged in a "second age" in the 1870s and