The most common and most likely answer to this crossword clue is the 5 plus 5 letter word LIGHT OPERA
I've seen this crossword clue in The Daily Telegraph
L
I
G
H
T
O
P
E
R
A
More clues leading to the result LIGHT OPERA
- Deft old secretary HM enlisted shows patience with capital, maybe
- Patience perhaps a virtue, having invested time in a girl, foolishly
- Somehow Elgar repeatedly exposed antiphony in work by G&S, say
- Bounty’s captain loses head with drunkard — a noted farce?
- Offering of Savoy Hotel a prig spurned
- Entertainment conjured up by a top girl, eh?
Buddy explains!
The straight part
We know that "Entertainment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case entertainment = light opera.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.