Stuff :) (Please read it to understand why I'm uploaded two versions.^^)
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So this is the original version, it doesn't change anything, but I think this version fits better than the nightcore version ;). I'm so sorry for the people who live in Germany (like me) or  Schwitzerland, there is that original video blocked(I will link the nightcore version). And YES I checked for the copyrights. If there are copyright problems anyway read it below. ;)

Nightcore: http://bit.ly/1RiWx79
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MLP: FiM is credited to Lauren Faust and Hasbro Studios.
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The song is "Faded" by Alan Walker
Alan Walker
Facebook: http://bit.ly/AlanWalker_Facebook
Instagram: http://bit.ly/AlanWalker_Instagram
Twitter: http://bit.ly/AlanWalker_Twitter
Youtube: https://www.youtube.com/user/DjWalkzz
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Social things ;)
DeviantArt: http://hanszh.deviantart.com/
Twitter: https://twitter.com/HanZh08
Got on Equestria Daily^^:
http://bit.ly/1QmDf3a
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READ IT! :

Fair Use:

"Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use."

If there is any problem with copyright I don't mind to delete the video.
Contact me and I will remove the video within 24 hours.