Ginsberg, Kerouac etc all in reproduction (4,10)

I believe the answer is:

beat generation

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'ginsberg kerouac etc' is the definition.
I can't judge whether this definition defines the answer.

'all in reproduction' is the wordplay.
'all in' becomes 'be at' (synonyms).
'reproduction' becomes 'generation' (generation is a kind of reproduction).
'beat'+'generation'='BEAT GENERATION'

Can you help me to learn more?

(Other definitions for beat generation that I've seen before include "US writers" , "use drum and bass for this?" , "Disaffected youths" , "movement in the 1950s" , "movement of the young" .)

I've seen this clue in The Everyman puzzle in The Observer.

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