| Clue | Source | Date |
|---|---|---|
| Back-to-back opera and West End production share a founding standard | ||
| Opera with a lot of musical backing using standards | The Guardian Cryptic | 11 Nov 2022 |
| Opera with a lot of musical backing using standards | ||
| Opera and musical in back-to-back clash, setting a standard | The Times Cryptic | 08 Oct 2021 |
| Establishing standard old room in local | ||
| Derived from a standard | Thomas Joseph | 27 Jun 2018 |
| Opera on box including one English standard | The Times Cryptic | 16 May 2016 |
| Old regulars meeting for starters in local, demanding consistency |