I don't see the problem in using it. Chord progressions are not copyrighted.
Avoid the melody and what would be the issue?
FWIW, I've been on or close to the cusp of this tech thing since the 60's; however, the bulk of the AI movement of late tells me its time to get off the boat.
Admittedly some of my AI experience has been with net site chat bots and they are AWFUL. Simply a lot of irrelevant crap to work through until you can get to a human.
OK, I do use a lot of AI in photo editing, e.g., adding skies, removing backgrounds, utility lines, etc., and in plant identification. I avoid it in toto in music production.
Bud
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