http://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780199935321.001.0001/oxfordhb-9780199935321-e-16

Archived request from the wiki:

Player Piano

• Other names: Reproducing Piano
• Wikipedia: Player_piano
• Family: Other
• Description: Player pianos play themselves, but esp. in the reproducing versions, rather than being programmed like midi tracks, they were actually played by someone, and the roll thus produced became the piano roll.
• Appears on:
  1. Gershwin Plays Gershwin: The Piano Rolls
  2. Hawaii: Part II