User blog comment:NazeTheBaka/An Intro (A derpy one, too.)/@comment-25226524-20150724015901

If you mean writing stories based on songs, then yes those are allowed. We recently had a contest for song-based stories if you wanna' check out some of the entries - Song Contest. If you're planning on writing a story, feel free to look over our Writing Advice pages, definitely read our Style Guide, and consider using our Writer's Workshop for feedback before submission. If you ever have any questions, always feel free to ask.