Fan of German composer working near Wigan (9)

I believe the answer is:

wagnerian

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'fan of german composer' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'working near wigan' is the wordplay.
'working' indicates anagramming the letters.
'near'+'wigan'='nearwigan'
'nearwigan' with letters rearranged gives 'WAGNERIAN'.

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(Other definitions for wagnerian that I've seen before include "In the style of a German romantic composer" , "like Siegfried" , "long and loud, perhaps?" , "great and powerful" , "Massive, dramatic and emotionally intense - Reagan win (anag)" .)

I've seen this clue in The Times.

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