... it concerns black French artist (6)

I believe the answer is:

renoir

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'french artist' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

(Other definitions for renoir that I've seen before include "Fr. impressionist ('La Loge')" , "Jean -, Fr. film director, son of painter" , "No, I err about the great painter" , "Pierre-Auguste -, French Impressionist painter" , "'No, I err, he was a painter (6)'" .)

I've seen this clue in The Irish Times.

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