I saw Rainbow rocks, and though a lot of the songs were great, and Let's have a battle was still awesome, and Welcome to the show was good too, this was my favorite. The whole sequence was just really cool.

Used:
LMMS for composition
The Free HQ Orchestra Soundfonts and DSK instruments
Ardour for mixing
Audacity for finalization
Inkscape for the background
Vector by ImperfectXIII (hope you don't mind me using it):
http://www.deviantart.com/art/The-Dazzlings-Resources-470965734
Windows Movie Maker for the video

Download:
http://www.mediafire.com/download/rgdfpl9g5069dd9/Under+Our+Spell+remix.mp3

And have a nice everything.