1) I think I hear a bit of it, but it is only very short.
2) Yeah, after learning what Greensleeves should sound like from that midi (and going to about 1/3) I kinda agree, it does have a bit of that in there.
3) I really don't hear this at all, but then I don't think I really know what come rest all ye merry gentlemen sounds like

It is kinda odd Nice find