Some achieve Samba days before (4)

I believe the answer is:

eves

'days before' is the definition.
(I've seen this in another clue)

'some achieve samba' is the wordplay.
'some' indicates the answer is hidden within the clue (some parts of the word are used).
'EVES' is hidden within 'achieve samba'.

(Another definition for eves that I've seen is " Early ladies of the nights before".)

I've seen this clue in The Guardian.

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