Musician goes on about one with touch of talent (7)

I believe the answer is:

harpist

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'musician' is the definition.
(I know that harpist is a type of musician)

'goes on about one with touch of talent' is the wordplay.
'goes on' becomes 'harps' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'about' means one lot of letters goes inside another.
'one' becomes 'I' (Roman numeral).
'with' says to put letters next to each other.
'touch of' indicates taking the first letters.
The first letter of 'talent' is 't'.
'harps' going around 'i' is 'harpis'.
'harpis'+'t'='HARPIST'

Can you help me to learn more?

(Other definitions for harpist that I've seen before include "musician" , "Instrumentalist" , "Stringed instrument player" .)

I've seen this clue in The Independent.

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