Symphony instruments, 19th century symphonies were gradually augmented with more string players and more wind parts, so that the orchestra grew substantially in sheer numbers, as concert halls likewise grew. At the beginning of the 20th century, Gustav Mahler wrote long, large-scale symphonies. His Eighth Symphony, for example, was composed in 1906 and is nicknamed the "Symphony of a Thousand" because of the large number of voices required to perform the work. Additionally, his Third Symphony is one of the longest regularly performed symphonies at around 100 minutes in length for most performances. The 20th century also saw further diversification in
Symphony of Psalms Symphony of Psalms The Symphony of Psalms is a three-movement choral symphony composed by Igor Stravinsky in 1930 during his neoclassical period. The work was commissioned by Serge Koussevitzky to celebrate the 50th anniversary of the Boston Symphony Orchestra. The symphony derives its name from the use of Psalm texts in the choral parts. According to Stravinsky, the commission for the work came about from "a routine suggestion" from Koussevitzky, who was also Stravinsky's publisher, that he write something "popular" for orchestra without chorus. Stravinsky, however, insisted on the psalm-symphony idea, which he had had in mind for some time.