Different styles exhibited by Copenhagen resident (6)

I believe the answer is:

genres

I'm a little stuck... Click here to teach me more about this clue!

'different styles' is the definition.
'genres' can be an answer for 'styles' (I've seen this in another clue). I'm not certain of the 'different' bit.

'exhibited by copenhagen resident' is the wordplay.
'GENRES' is hidden within the letters.
But, I'm not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for genres that I've seen before include "Types of literature, music" , "Kinds of greens" , "Categories of literature etc." .)

I've seen this clue in The Irish Times.

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