The update in this post is something I think is super cool: SandvichParty and Dimondium, both of whom are frequent contributors here at Everypony Sings, have collaborated on an original composition. A great piece of work like this just goes to show that friendship is magic!
The song is called Iniquitous, and it's an awesome synth orchestra type piece. You definitely have to give it a listen. Then visit SandvichParty and Dimondium on Youtube to see other pony-themed work they've done.
Many thanks to these two pony fans on their awesome collaboration!