| Answer | Crossword Clue |
|---|---|
| RECITING | Not ad-libbing |
| EXTEMPORIZATION | Ad-libbing |
| SCAT | Ad-libbing vocal style |
| PROMPTUSPEAKING | Lecture with no ad-libbing? |
| WELL | Overused prefatory word, esp. in radio ad-libbing. |
| obbligato | not to be omitted obligatory used as a direction in music compare ad libitum |
| USAF | Org. with the ad slogan "It's not science fiction. It's what we do every day" |
