| Clue | Source | Date |
|---|---|---|
| As a singer, kept one's mouth shut (6) | ||
| Sang along when you forgot the words | New York Times | 10 Oct 2021 |
| Droned | Eugene Sheffer | 06 Oct 2018 |
| Made music on a comb | New York Times | 06 Dec 2017 |
| Made music on a comb | ||
| Made a perfect engine sound | ||
| Forgot the words? | ||
| Sing with closed lips | ||
| Showed busyness | ||
| Buzzed | ||
| Droned |