| Clue | Source | Date |
|---|---|---|
| Volume of sound | The Times Concise | 10 Nov 2021 |
| Backing Essen duo loath to restrict sound level | ||
| The magnitude of sound | Irish Times Simplex | 24 Feb 2020 |
| Vulgar tasteless quality of volume | ||
| What decibels measure | Newsday | 29 May 2016 |
| Mostly less sound? Nonsense! | ||
| Magnitude of sound | ||
| Decibel level | ||
| Noise. |