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. 4 (MacMillan) Symphony No. 4 (MacMillan) The Symphony No. 4 is the fourth symphony by the Scottish composer James MacMillan. The work was composed in celebration of the conductor Donald Runnicles's 60th birthday. It was premiered at The Proms on August 3, 2015 by the BBC Scottish Symphony Orchestra under Donald Runnicles. The symphony has a duration of roughly 37 minutes and is composed in one continuous movement. Though MacMillan had conceived the symphony years earlier, he did not begin work on the piece until late 2014. The work quotes passages from "Missa Dum Sacrum Mysterium" by the Renaissance composer Robert Carver.