March 31st, Moscow, Russia.

Песня отдельно (Song): http://youtu.be/-HtgVZVcWM8

English subtitles are released! Yay! (If you want to translate to another language: http://www.mediafire.com/?ukngusfq89g5ft7)
General info: this animation was made specially for RuBronyCon - Russian brony convention in Moscow in 2013.