Undertones bleed into a couple of interpretations (6,9)

I believe the answer is:

double entendres

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'undertones bleed into a couple of interpretations' is the definition.
I can't tell whether this defines the answer.

'undertones bleed into a couple of interpretations' is the wordplay.
'undertones bleed' anagrams to 'DOUBLE ENTENDRES'.
Though, I am unsure how the anagram is indicated.

Can you help me to learn more?

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

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