Assertion: player piano | /r/CapableOf | mature in america
Facets:
Source sentences:
text: While the player piano matured in America, a young inventor in Germany, Edwin Welte, was working on a player which controlled all the aspects of the performance automatically, so that his machine would play back a recorded performance exactly as if the original pianist were sitting at the piano keyboard.
text: While the player piano matured in America, a young inventor in Germany, Edwin Welte, was working on a player which controlled all the aspects of the performance automatically, so that his machine would play back a recorded performance exactly as if the original pianist were sitting at the piano keyboard.