| Clue | Source | Date |
|---|---|---|
| Tube on an automatic ball launcher? | LA Times Daily | 23 May 2025 |
| Choir director's note locator | Newsday | 30 Nov 2022 |
| Choirmaster's aid | Thomas Joseph | 23 Jul 2020 |
| A choirmaster may toot one | Universal | 09 May 2016 |
| It sets the tone | ||
| *A cappella leader's gadget | ||
| *A cappella leader's gadget | ||
| Device used to tune an instrument | ||
| A cappella singer's need | ||
| Device used to tune an instrument | ||
| A cappella singer's need | ||
| Alternative to a tuning fork | ||
| Discard smoking material? |