This is the first time making a mashup with multiple songs, so I hope that you guys like it.
Sorry for the bad sound quality, the mp3 version is much better.

Here's the download link to the mashup:
http://www.mediafire.com/?ntm3z2zewmt

Copyright goes to UMG & Sony Music Entertainment.
Credits goes to all users who provided the acapellas and instrumentals.
Enjoy :)