Author: RoyalPonySisters
Description: Princess Celestia is feeling sad. Can anypony make her feel better?

Source: 
https://www.fimfiction.net/stories?q=one+of+those+days&order=latest
https://www.bensound.com/royalty-free-music/3
https://www.deviantart.com/liamwhite1/art/For-the-Lack-of-Suitable-Celestia-Vectors-420620300

Thank you for listening! Feedback is always welcome!