The title of Sadie Sunhome's video is "Damn Cat!!" presumably because she calls him an asshole for ruining her ukulele song about the dentist. One person's asshole cat is another person's heroic feline, though. Thank you, asshole cat. Thank you for saving us from having to listen to an out of tune ukulele song about going to the dentist. May you have many more days of ruining home videos. 

In all seriousness, cats can be major assholes sometimes and have zero musical appreciation. 

For example... 

These Cats Have Perfected the Death Stare