Unfeeling music genre? Not so much (8)

I believe the answer is:

soulless

'unfeeling' is the definition.
(thesaurus)

'music genre? not so much' is the wordplay.
'music genre?' becomes 'soul' (I've seen this in another clue).
'not so much' becomes 'less' (I've seen this in another clue).
'soul'+'less'='SOULLESS'

(Another definition for soulless that I've seen is " Lacking spirit".)

I've seen this clue in The Guardian.

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