Please contribute! Genius has a lot of undocumented API endpoints, and the ones in that link are only some of them. You could try to implement the ones in the link or look through Genius yourself to uncover new ones, and implement them in LyricsGenius to make this client richer in features, and the access it offers to

If you want to fix a bug, suggest improvements, or add new features to the project, just open an issue on GitHub.