Crossword Genius

Obscure as Albarn's band (4)

Ross

I believe the answer is:

blur

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'obscure' is the definition.
(both can mean to vague or indistinct)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for blur that I've seen before include "Rock band - make less clear" , "Become unclear" , "Smear, make indistinct" , "Group - smudge" , "Haze - obscure" .)

I've seen this clue in The Sun.
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