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. 5 (Tchaikovsky) Symphony No. 5 (Tchaikovsky) The Symphony No. 5 in E minor, Op. 64 by Pyotr Ilyich Tchaikovsky was composed between May and August 1888 and was first performed in St Petersburg at the Mariinsky Theatre on November 17 of that year with Tchaikovsky conducting. It is dedicated to Theodor Avé-Lallemant. In the first ten years after graduating from the Saint Petersburg Conservatory in 1865 Tchaikovsky completed three symphonies. After that he started five more symphony projects, four of which led to a completed symphony premiered during the composer's lifetime. The fifth symphony was composed in 1888, between the "Manfred Symphony"