Rock music genre (4)

I think it could be either:

Which length description are you looking for?:

punk

'rock music genre' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for punk that I've seen before include "Sex Pistols' movement" , "Worthless person; seventies rock style" , "Rock music genre" , "Rock music -- American thug" , "Form of rock music" .)

I've seen this clue in the Newsday.

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