The most common and most likely answer to this crossword clue is the 7 letter word BANJOES
I've seen this crossword clue in The Daily Telegraph
B
A
N
J
O
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S
More clues leading to the result BANJOES
Buddy explains!
The straight part
We know that "instruments" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case instruments = banjoes.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 BANJOES mean?
BANJOES noun- A stringed musical instrument (chordophone), usually with a round body, a membrane-like soundboard and a fretted neck, played by plucking or strumming the strings.
- Any of various similar musical instruments, such as the Tuvan doshpuluur, with a membrane-like soundboard.
- An object shaped like a banjo, especially a frying pan or a shovel.
- (Dagenham) A cul-de-sac with a round end.