The most common and most likely answer to this crossword clue is the 8 letter word OPERATIC
I've seen this crossword clue in The Guardian
O
P
E
R
A
T
I
C
More clues leading to the result OPERATIC
- Like some things in bars, barmaid's accessory requires time to be installed
- Extravagant time tucking into source of booze?
- Histrionic English singer captured in old snap
- Touch of panic in affected actor, ie, loosely histrionic
- Theatrical love movie set around eastern desert
- Wagnerian work perhaps uneven — second run cancelled
- Ring – epic works involving singer? This describes it
- Not very proactive, dithering like Norma?
- As Dido and Aeneas say, a spirit measure takes time
- Histrionic 8 inducted into bizarre erotica
Buddy explains!

The straight part
We know that "As Dido and Aeneas say/As Dido and Aeneas say" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case as dido and aeneas say/as dido and aeneas say = operatic.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OPERATIC mean?
OPERATIC adjective- Of, related to, or typical of opera.