All really have to do is just watch Scratch the Cat spaz out and the background change. There is also music and it tells the date and time.
Credits to music and clock logic go to -NintendoPro-//Cutleaf Background credits just go to Google Images. Sorry I've been gone for a while, I've been slow on finishing projects. I hope the my momentum for making projects will speed up eventually. Tell me if there is anything you want me to add. Update Apr 13 2018: I added the default desktop picture for macOS High Sierra. And, I'm also adding special stand-by's for holidays, music for holidays is here to. I'm currently have Halloween and Christmas Update Apr 15, 2019: I try to do something simpler for the code of the clock but I ended up breaking it instead so now it just blinks 12:00 AM. Well, until I fix it of course.