The most common and most likely answer to this crossword clue is the 5 letter word OPERA
O
P
E
R
A
More clues leading to the result OPERA
- Entertainment round piano with English artist
- For example, Julius Caesar’s works in Latin
- Ring theatre about a musical show
- Painter drawn to East End longing for some theatrics
- Back a theatre group initially over stage work
- Met perhaps Oscar, a traveller heading west
- Piano involved in old time music theatre
- Carmen, for example, seen in Europe rarely
- Ring a theatre company set up to produce musical drama
- Turn up some spare police work for the Met?
Buddy explains!

The straight part
We know that "musical show" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case musical show = 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.
What does OPERA mean?
OPERA noun- A theatrical work, combining drama, music, song and sometimes dance.
- The score for such a work.
- A building designed for the performance of such works; an opera house.
- A company dedicated to performing such works.
- (by extension) Any showy, melodramatic or unrealistic production resembling an opera.
- A work of music or set of works with a specified rank in an ordering of a composer's complete published works.
- A work, especially of art.