Celtic folk-fest elicits change, alienating Eliot Lawrence (7)

I believe the answer is:

ceilidh

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'celtic folk-fest elicits change alienating' is the definition.
I can't judge whether this defines the answer.

'eliot lawrence' is the wordplay.
'eliot' becomes 'ceili' (I can't justify this - if you can you should believe this answer much more).
'lawrence' becomes 'dh'.
'ceili'+'dh'='CEILIDH'

Can you help me to learn more?

(Other definitions for ceilidh that I've seen before include "Gathering with Celtic folk music, singing and dancing" , "social gathering" , "Gaelic gathering with song, story and dance" , "Gaelic social evening" , "Musical party" .)

I've seen this clue in the Sydney Morning Herald.

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