I found this mixtape by Mike Nice, called "Please Listen To My Demo" with a couple song I did have and didn't find on You Tube, I tried my best to remove as many of the tags as I could.

DOWNLOAD LINK FOR "PLEASE LISTEN TO MY DEMO"
(click on the picture)
http://philaflava.blogspot.com/2008/10/nas-please-listen-...


DOWNLOAD LINKS (for the couple songs I uploaded)

1. 17 Years Old Freestyling
2. Memory Lane (Sittin' In Da Park) (DJ Premier Demo Mix)
3. Who's World Is This (Rough Draft DJ Hollywood Session)
4. Talk Of New York (Unreleased DJ Premier Hard 2 Earn Mix)
5. Nas Will Rock (Street Dreams (Remix) (Vinyl Reanimators Remix))

zShare
http://www.zshare.net/download/542991160770a18d/

Megauploads
http://www.megaupload.com/?d=PCO5DP9N (less info)