No suggestions. It sounds pretty well near perfect to me. Stunning in fact.
I LOVED the slinky key changes - wow! The vocal is beautiful - I assume your wife is a professional singer? She'd give Lisa Stansfield a run for her money.
Excellent song, arrangement and mix. And those key changes...woooh....!

Ok, put a gun to my head and I'd ask for the drums to be louder, but that's just me.

John
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Songs web site
YouTube Channel
Band web site
BIAB 2019
Cakewalk by BandLab
Studio One 4