Twilight Sparkle had been looking forward to a quiet, relaxing day with a friend, and at first it seemed that Fluttershy could provide just that. But when Twilight makes a rather unsettling discovery about the pegasus – and her unusually sanguine appetite – the knowledge proves to be anything but relaxing...

While exploring the decrepit remains of the Castle of Friendship, Sunny Starscout and her friends discover a strange book that might have belonged to Princess Twilight Sparkle herself. The book's contents resemble a series of letters that were apparently sent back and forth between Twilight and an unknown party.

At some point, Twilight stopped responding.

It shouldn't have been a big deal. Celestia was kidnapped or knocked out or just generally made to seem powerless by whatever idiot with ill intent decided to show up on a nearly weekly basis. As the mighty and immortal Sun Princess, she could escape at any time, but she was happy to play these little games. The daring rescues and bloodless battles gave her ponies such a sense of confidence and purpose!
But this one didn't go as planned. One small, stupid mistake got her thrown to the twisted reaches of the world-prison, Tartarus. Now alone, unarmed, and barely more than mortal, Celestia wakes in a living landscape where everything has every reason to hate her.
And, far worse, she has accidentally picked up a passenger.

Sidenote: This a repost (I tried to go through official channels, I promise!) of a story I wrote long, long ago on an account I foolishly deleted. Back in those days, Tartarus hadn't shown up in an actual episode yet. It's not exactly an alternate universe situation, but it has nothing to do with the canon portrayal of the place.

Super amazing cover art by Cold In Gardez.

Twilight Sparkle has lived a full life but now she's a 115-year-old pony lying on her deathbed and waiting to pass on. As her time draws near, she receives a visit from a mysterious mare who has come to seek out the answer to a simple curiosity.

Today, I will tell you the story of the lost book of prophecies...

Overnight, the Void awoke, threatening to destroy all worlds. Once again, Twilight was chosen to be the savior, this time by traveling the multiverse to rescue it from an untimely demise. The journey will be long, come with many friends, several enemies, and test her like nothing else ever has. Each world has its own rules, its own ways—but all are in danger from the nihilistic desire of a cackling Count.

A reimagining of Super Paper Mario with ponies and a few twists. Every world Twilight visits will be a new crossover, and part of the way this story is structured is to encourage readers to guess what worlds are going to appear. No familiarity with any franchise is required to read the story, as is tradition with my crossovers.

Read this spoiler only if you want to know the surprise crossovers ahead of time. Updates whenever a new franchise is revealed:
Contains MLP, Super Paper Mario, Avatar: The Last Airbender, Sonic X, Star Trek: The Next Generation, The Chronicles of Narnia, Mario in general, Warhammer Fantasy, Numenera, and Final Fantasy

Cover by Hoodwinked MCShelster

Has nothing to do with Songs of the Spheres aside from opposing themes.

Edited by several people, most of which are part of my usual army: Pink Man, Mal Masque, Blaster Master, VoidTemplar2000, Guldringr, Shilic, Ponygood, and a few others helping out here and there.

-GM, master of Purity

The scope of the multiverse is so tremendously beyond the comprehension of most beings that, if they were to truly know what it meant, they would break down and be unable to live their lives the way they wished. Most worlds are lucky to be blissfully unaware of the true picture of reality, never to encounter the higher forces and civilizations.

However, when one of those higher forces make contact with one of those unaware worlds - intentionally or not, peacefully or not - everything will change drastically. Sometimes the change is slow, sometimes rapid. Regardless of the pacing, like all change, it is both good and bad. Civilizations have risen from simple worlds overnight and have crumbled just as quickly. Many can't handle the revelation, and those that can are not always the best examples of honor and dignity.

It is often said that each world - each universe - has a Song, and that all these Songs are related, intertwining together in a mesh of powerful destiny among the Spheres of the multiverse.

This is the story of how a certain world inhabited by Technicolor ponies found their Song and how it interwove itself in the Songs of so many others.

This is a story of finding meaning in infinite possibility.

This is a mega-crossover project of immense proportions covering dozens of fandoms. However, it is written in such a way that no previous knowledge of any of them - not even the ponies - will be required. The only warning is that there will be spoilers for any franchise you haven't seen.

There are several side-stories being written for Songs of the Spheres by several authors, and links to them can be found in our Fimfiction group, including links to non-pony related stories. There's also a Discord chat. Lastly, we have a Spacebattles forum. Discussion about the multiverse, setting, and future events can also be found there if you don't mind spoilers.

Has a TV Tropes page now. Needs love.

Special thanks goes to my little editing army. Keywii_cookies55, VoidTemplar2000, Ponygood11, Omnipresent Microorganism, Blaster Master, Useless Common, Galliar,
Mal Masque, Nickle241, and Triv the Imaginary Duck.

Cover drawn by Little Duke. (DA: Spiralling Vibrance)

Has been updated to comply up to Season 8. Does not comply with Season 9 though elements from it are included.

-GM, master of the Dark Tower

A new world has opened up, and a magical disturbance has been located inside that world. King Mickey sends Sora and Donald to this new world to find the disturbance and deal with it properly. But when they arrive at this new world, more problems are added to them, the Fall Formal, keeping where they're really from a secret, and most of all, what's really on the line...

Takes place after Dream Drop Distance.

My Little Pony: Equestria Girls belongs to Hasbro
Kingdom Hearts belongs to Disney and Square Enix

EDIT: Cover art from Akili-Amethyst

EDIT 2: Title Screen (Dearly Beloved)

EDIT 3: Warning! Spoilers in the comments

EDIT 4: Edited by zimmerwald1915

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