Note is true about being more brave (7)

I believe the answer is:

gutsier

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'more brave' is the definition.
Both the definition and answer are comparative adjectives. Perhaps you can see a link between them that I can't see?

'note is true about' is the wordplay.
'note' becomes 'g' (musical note).
'about' indicates an anagram.
'is'+'true'='istrue'
'istrue' with letters rearranged gives 'utsier'.
'g'+'utsier'='GUTSIER'

'being' is the link.

Can you help me to learn more?

(Another definition for gutsier that I've seen is " More courageous".)

I've seen this clue in The Daily Express.

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