In around 1911 hand played rolls for reproducing pianos started production in the USA, and have provided an certain types of hand played recordings can also play back the dynamics as performed by the pianist.
In around 1911 hand played rolls started production in the USA, and have provided an invaluable historical record of the playing of famous performers who did not make sound recordings. Certain types of hand played recordings can also play back the dynamics as performed by the pianist.