The most common and most likely answer to this crossword clue is the 9 letter word TONE-DEAF
I've seen this crossword clue in Financial Times
T
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N
E
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D
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A
F
More clues leading to the result TONE-DEAF
- Poor at singing and fade out after bum note
- Hopeless with pitch that’s firm? Australia following on edgily at first
- Start off hearing nothing, lacking pitch
- Confusing note with others?
- Unaware that one has the wrong key?
- Having no sense of music, often danced around, almost exhausted
- Defeat on pitches when not reading them right?
Buddy explains!

The straight part
We know that "Confusing note with others?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case confusing note with others? = tone-deaf.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 TONE-DEAF mean?
TONE-DEAF noun- Tone-deaf people, as a group.
- Unable to clearly distinguish the difference in pitch between different notes.
- Having little appreciation of music, whether or not as a result of tone deafness.
- Out of touch with the experience of ordinary people.
- Insensitive and offensive as a result of not noticing the current social context.