Try to wait it out for a response. This thread has seen lots of activity (looky-loos) but apparently some people are stumped.
This is also a busy week for most musicians, myself included, as it is Holy Week in the Christian liturgical year, and Easter is just a few days away.
You are correct about one being 'quasi' music of Scheherazade, but has some differences to the scores I've heard in past years.
I have no idea on the other two.
While you are waiting, check out the rest of this great forum ... we have a plethora of discussions to peruse.