Well, I think I fucked up. :/
If you're looking for Pinkie Dansen [PonyDub]: http://www.bilibili.com/video/av4497869
There's also Chinese translation: http://www.bilibili.com/video/av4503002

Download music still available.
MP3: https://www.dropbox.com/s/eow307upj0oaird/Tridashie%20-%20Pinkie%20Dansen.mp3?dl=0
FLAC: https://www.dropbox.com/s/p7gb82cw418fz0x/Tridashie%20-%20Pinkie%20Dansen.flac?dl=0