Lunch at EnGarde brought recorded response (6,8)

I believe the answer is:

canned laughter

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'brought recorded response' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'lunch at engarde' is the wordplay.
'lunch at engarde' anagrams to 'CANNED LAUGHTER'.
But, I am unsure how the anagram is indicated.

Can you help me to learn more?

(Another definition for canned laughter that I've seen is " Audience reaction added to studio soundtrack".)

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

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