| Answer | Crossword Clue |
|---|---|
| celesta | musical instrument consisting principally of a set of graduated steel plates struck with hammers that are activated by a keyboard |
| metallophone | any musical instrument consisting of a graduated series of metal bars that may either be struck by hammers operated manually or played with a keyboard |
| calliope | musical instrument consisting of a set of harsh-sounding steam whistles that are activated by a keyboard |
| lyra | musical instrument composed of a set of graduated steel bars mounted in a frame and struck with hammers, used esp. in bands |
