Good news for fans for terrible pop music, because this puzzle is a cornucopia of pop crap. Real bottom of the barrel stuff. I almost named the puzzle "Brandy (You're a Fine Girl)," as the rancid cherry on the shit sundae, but that'd just be overkill.
Enjoy. And happy turkey day, insofar as that's not an oxymoron.
(EDIT: I updated some clues in the NW corner to make it merely "very hard" and not "literally impossible.")

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