This is my take on what a portion of Rainbow Rocks could've been. It even includes some accusations from Twilight while the gang is being trapped under the stage and there is a detailed friendship lesson in the end.
Rainbow Rocks Pt. 2 - Foretellers - Fimfiction
To Catch a Spirit - The Apple and the Fox - Fimfiction
Rainbow/Flash Rock Off (part 1 of 2) by BravoKrofski on DeviantArt
Louder Yay: My Little Repeats 92: The Cutie Map, part 1
Equestria Daily - MLP Stuff!: Mini-Event: Create a Villian Song!
Reform? - Fimfiction
The Little Pony Legend: Rainbow Rocks - Fimfiction
Dazzling Red Bottoms - Fimfiction
Requisite pony thread (No creepers) Images, Page 26
Will You Ever Be Mine (Re-write in progress) - Fimfiction
The Rainbow Factory- How It Should Have Ended - Fimfiction
Rainbow Rocks - The Legend of Friendship - Fimfiction