| Answer | Crossword Clue |
|---|---|
| discord | A single note dissonant with another |
| discords | A single note dissonant with another |
| resonators | A musical or scientific instrument responding to a single sound or note, used for detecting it when it occurs in combination with other sounds |
| resonator | A musical or scientific instrument responding to a single sound or note, used for detecting it when it occurs in combination with other sounds |
| telephones | An instrument used as part of such a system, typically a single unit including a handset with a transmitting microphone and a set of numbered buttons by which a connection can be made to another such instrument |
