| Clue | Source | Date |
|---|---|---|
| ____ device, one used to block the reception or transmission of signals (7) | ||
| Playing jazz and interfering with reception (7) | ||
| Improvising music | The Guardian Quick | 14 Nov 2023 |
| "The band was in the midst of a ___ session when they received a call from the record label" | ||
| Blocking (a radio transmission) | The Times Concise | 09 Feb 2015 |