Suggestions Ai Features, Lyrics, Etc

1. Implement an AI feature to convert lyrics for any song, similar to existing platforms.
2. Develop functionality for downloading PDFs with AI-generated lyrics and chords, similar to LaMucal App.
3. Please Include an option to customize and set a preferred '#/b signature for users for mobile device.
4. Address the issue where renaming a song on the web version does not update the name on mobile devices most of the time.