The most common and most likely answer to this crossword clue is the 5 plus 5 letter word GRAND OPERA
I've seen this crossword clue in The Guardian
G
R
A
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A
More clues leading to the result GRAND OPERA
- Something sending elderly relative to sleep? Answer where nothing’s spoken
- Serious work of German, oddly receiving smuggled drug
- Serious music disheartened grenadier on parade ground
- Senior woman has info on artist providing entertainment
- Musical performance originally arranged round old piano
- He drugs old ladies, a niche interest
- Brahms and Liszt arranged opus as entirely sung piece
- £1,000 for each adult to catch opening of Otello or suchlike
- Big performance one feeling someone must grasp and then appreciate, primarily
- Piano works — ‘Aida’, for instance?
Buddy explains!
The straight part
We know that "Musical performance" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case musical performance = grand 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.