De qué está hecho pianola
A piano that plays from a perforated roll.
- Perforated piano roll — tiene como parte. Perforated paper with the tune recorded on it.
- Tracker bar — tiene como parte. Holes let air through to the valves.
- Fuelle — tiene como parte. Pedal bellows create suction.
- Pneumatic pushers — tiene como parte. They press the keys when signalled by holes.
- Control por programa — utiliza. The tune is recorded on a perforated roll.
- Notación musical — utiliza. The rolls encode notes.
- Madera — está hecho de. The case is wood.
- Papel — está hecho de. The program is a perforated paper roll.