Conlon Nancarrow and his work (1997) 

Nancarrow (October 27, 1912 - August 10, 1997) is best remembered for his studies for player piano, being one of the first composers to use auto-playing musical instruments, realising their potential to play far beyond human performance ability. He lived most of his life in relative isolation and did not become widely known until the 1980s.
en.wikipedia.o...
Study for player piano No. 31
Study for player piano No. 27
Excerpt from the documentary "Welte-Mignon - The World of Mechanical Music": • Welte-Mignon - The Wor...
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