How I Discovered The Most Common Word in Queen Lyrics

I've been thinking about creating something new, learning new things, increasing my portfolio project, but I didn't want to do something that someone else had already done. For no reason clearly, I wanted to do something related to lyrics. What about an API that brings the lyrics to a song? There are several projects that already do that, it would be just one more. What could I create, that "maybe" nobody had done yet?