If you're into original pony music, then I'm sure you are familiar with MandoPony. One of his recent songs, Harmony, is a beautiful piece—check it out in the video.
If you enjoyed Harmony, then you'll be happy to see these chords, submitted by pony fan Szwajor. Give them a try and play the song yourself! You can find Szwajor on Youtube or DeviantArt.
Thanks for sharing this resource, Szwajor!