Yep it's a Musa, but witch variety?
After reading a lot more, I will let them ripen on the tree, or until we get some cold weather... Cold? That may be next year, so letting them ripen is the way to go.
I found an old picture of a flower from this same plant, from 2012.
By the way, I just measured the stalk with the fruit on it, and at the base, it is 7 inches across.
Mr. K