| Answer | Crossword Clue |
|---|---|
| ONEOFF | Not to be repeated, as a performance |
| envelope | set of performance limits (as of an aircraft) that may not be safely exceeded |
| slipping | Be behaving in a way that is not up to one's usual level of performance |
| obbligati | An instrumental part, typically distinctive in effect, that is integral to a piece of music and should not be omitted in performance |
| obligati | An instrumental part, typically distinctive in effect, that is integral to a piece of music and should not be omitted in performance |
| obbligatos | An instrumental part, typically distinctive in effect, that is integral to a piece of music and should not be omitted in performance |
