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 No. 10 (Simpson) Symphony No. 10 (Simpson) Robert Simpson composed his Symphony No. 10 in 1988 and dedicated it to the conductor Vernon Handley who gave the premiere of the work in the Philharmonic Hall, Liverpool, on 16 January 1991 with the Royal Liverpool Philharmonic Orchestra. This is Simpson's largest and longest symphony, being one of his most contrapuntal works and in four substantial movements. The symphony is approximately 51 minutes in length and is divided into four movements which broadly resemble a classical symphony structure: Currently, the only commercially available CD is a Hyperion Records performed by the Royal Liverpool Philharmonic Orchestra