"devil's pie" was tacked on to "vooodoo" after the promo version, questlove's review of "voodoo" from back in the day confirms this too https://web.archive.org/web/19991114212019fw_/http://www.okayplayer.com/reviews.htm#dthe track "marvine" on the promo is a dilla beat was the original track lauryn was supossed to be on that quest mentions towards the end of the review. they replaced it with "feels like makin love" on the final version.