Possibly, but I don't think they are the same. There were many fan based incarnations of
Now And Then when the original tape became available. In a previous interview that Paul gave, he stated earlier that he wanted to finish it, and was going to get Jeff Lynne to help him, which a link to is below. In this interview, at around 9:50, Paul
again says he's going to get Jeff to help him finish it.
The version that was on YouTube that I'm referring to came from this bootleg album, which states that these were in fact taken from the vaults. Well, that's if you can believe a bunch of pirates
Here is the photo of that album, as well as the clip that contains Paul's interview.
View attachment 97969