Thoroughly investigates lodgings of Parisian with record (4,4)

I believe the answer is:

digs deep

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'thoroughly investigates' is the definition.
I know nothing about this answer so I can't tell whether this works.

'lodgings of parisian with record' is the wordplay.
'lodgings' becomes 'digs' (synonyms).
'of parisian' becomes 'de' ('of' in French).
'with' means one lot of letters go next to another.
'record' becomes 'EP' (abbreviation for extended play record).
'digs'+'de'+'ep'='DIGS DEEP'

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