Brilliant quality of artist, one getting into an art (8)

I believe the answer is:

radiance

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'brilliant quality' is the definition.
'radiance' can be an answer for 'quality' (I have seen 'Glowing quality' mean 'radiance' so perhaps 'quality' could also mean 'radiance'). I am not sure about the 'brilliant' bit.

'artist one getting into an art' is the wordplay.
'artist' becomes 'RA' (Royal Academician, member of Royal Academy of Arts).
'one' becomes 'i' (Roman numeral).
'getting into' is an insertion indicator.
'an art' becomes 'dance' (dance is a kind of art).
'i' going within 'dance' is 'diance'.
'ra'+'diance'='RADIANCE'

'of' acts as a link.

Can you help me to learn more?

(Other definitions for radiance that I've seen before include "Glow (as of happiness)" , "Brightness" , "Glow of joy" , "A bright glow (E, not Y)" , "moonlight" .)

I've seen this clue in The Telegraph.

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