| 84 / | HD | MUSIC |
| 1 | DF | INSTRUMENTS {9} |
| 173 | DF | .~ Stringed {10} |
| 174 | DF | .~.~ Pianos {19} |
| 236 | DF | .~.~.~ Hammers actions {3} |
| 243 | DF | .~.~.~.~ Details {9} |
| 244 | | .~.~.~.~.~ Power-operated hammers {2} |
| 245 | DF | .~.~.~.~.~.~> Sostenuto |
| 246 | DF | .~.~.~.~.~.~> Electric striker |