Banjo a pro sent for repair (8)

I believe the answer is:

paterson

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'banjo' is the definition.
Both the answer and definition are singular nouns.
Maybe you can see an association between them that I don't see?

'a pro sent for repair' is the wordplay.
'for repair' indicates an anagram (I've seen this in other clues).
'a'+'pro'+'sent'='aprosent'
'aprosent' is an anagram of 'PATERSON'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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