"Darling, I Hum ___ Song" (Four Tops song) (3)

I believe the answer is:

our

(Other definitions for our that I've seen before include "group possession?" , "''Now is the winter of ... discontent'' (Richard III)" , "Yours and mine" , "Relating to us" , "Belonging to us" .)

I've seen this clue in the USA Today.

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