A new song is now done, Luna from Eurobeat brony
Hope you like it :)

Original music (Eurobeat Brony) :
http://www.youtube.com/watch?v=bn7uMwXYU9U

Thanks too DjDelta0 for the Midi I had used and modified:
http://www.youtube.com/watch?v=WwmoynNXY4U

and to Sammy1am for his tutorial:
http://www.youtube.com/watch?v=w6tuMn5sPyM