The most common and most likely answer to this crossword clue is the 6 letter word CANTOR
I've seen this crossword clue in The Times
C
A
N
T
O
R
More clues leading to the result CANTOR
- Worker maybe interrupting my choral director
- Lean men service leader
- Leader of choir, one to separate its extreme members
- Worker in firm first to retire
- Religious choir leader causing prison uprising on Dartmoor, say
- Singer is performer getting a bit confused initially about name
- Northern Croat performing as singer
Buddy explains!

The straight part
We know that "choral director" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case choral director = cantor.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 CANTOR mean?
CANTOR noun- Singer, especially someone who takes a special role of singing or song leading at a ceremony.
- A prayer leader in a Jewish service; a hazzan.