The most common and most likely answer to this crossword clue is the 9 plus 3 letter word ORCHESTRA PIT
I've seen this crossword clue in The Times
O
R
C
H
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T
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P
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T
More clues leading to the result ORCHESTRA PIT
- Somewhere for the players to hear script that's rewritten
- Chorister apt to go off accompanists here?
- Part of theatre box found in odd Scottish mine
- Harry Potter's chair, where theatre's inferior players sit
- Where players sit before stage — unusual to arch-priest
- Hipster actor redesigned part of theatre
- … where they may be found with choir part set out
- Players’ part in theatre the prior cast revised
- Area in front of stage where theatric pros will cavort
- Theatric pros playing here?
Buddy explains!

The straight part
We know that "Somewhere for the players" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case somewhere for the players = orchestra pit.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.