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
O for a Thousand Tongues to Sing O for a Thousand Tongues to Sing "O for a Thousand Tongues to Sing" is a Christian hymn written by Charles Wesley. Charles Wesley wrote over 6,000 hymns, many of which were subsequently reprinted, frequently with alterations, in hymnals, particularly those of Methodist churches. Charles Wesley was suffering a bout of pleurisy in May, 1738, while he and his brother were studying under the Moravian scholar Peter Boehler in London. At the time, Wesley was plagued by extreme doubts about his faith. Taken to bed with the sickness, on May 21 Wesley was attended by a group of Christians who