Ray, loved the concept. Super backing tracks. Your bass playing is excellent. Like others I did have difficultly with the vocal. I really liked the Mellotron sounds.

I think with a little polish, mostly on the vocal, you will have a dynamite song.

PS - I have used Melodyne exactly the same way.

Whenever I get something stuck in the back of my throat, I dislodge it by drinking a beer.
It's called the Heineken Maneuver.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware