The most common and most likely answer to this crossword clue is the 7 letter word CANTATA
I've seen this crossword clue in The Times
C
A
N
T
A
T
A
More clues leading to the result CANTATA
- Choral item that may be heard on leaving prison?
- May take care producing choral work
- Work to preserve vale
- Accountant keeping a set of books at work
- Preserve farewell musical setting
- Is able to time Qatar’s core musical work
- Tory gets an informal farewell in musical form
- Prison I’m leaving for work in bars
- Musical piece from applicant at audition
- Work associating responsibility with farewell?
Buddy explains!

The straight part
We know that "Work" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case work = cantata.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 CANTATA mean?
CANTATA noun- A vocal composition accompanied by instruments and generally containing more than one movement, typical of 17th and 18th century Italian music.