This song has been on my mind for weeks

Hi guys! This song has been bugging me for a couple of weeks and I simply can't find anywhere its name. Any sort of help would be kindly appreciated.

http://www.zshare.net/download/85641820c00cde62/

Johann Pachelbel Canon in D Major classical music

Here is a rock version of it

http://www.youtube.com/watch?v=wam-oMub8EU

A million thanks to you, kind sir!

Most welcome.