| Hardwoods |
| Some keys |
| Black keys |
| Dark woods. |
| 36 out of 88 |
| Keys of music |
| Durable woods |
| Trees for keys |
| Some piano keys |
| Black keys, informally |
| A piano has 36 of them |
| Piano's 36, familiarly |
| Valuable tropical trees |
| Trees used for piano keys |
| Trees yielding black wood |
| Trees that yield heavy wood |
| Black piano keys, familiarly |
| Black piano keys, informally |
| Trees whose wood doesn't float |
| Sharp and flat keys, on a piano |
| Sources of wood for cabinetwork |
| Trees used for making piano keys |