1. The Band Trying To Show Off An Unexpected Side Of Itself
2. The Band Whose Fans Pretty Much Expect A Dirty Cover Song
3. The Band That's Playing This Because They're Just Trying To Keep People From Leaving The Show
4. The Band That's Playing A Cruise, So Why The Hell Not?
5. The Band That Just Wants To Look Hip
6. The Band That's Signed To Jay-Z's Label
7. The Band That's Doing This For Nerd Cred
8. The Band That Wants This To Blow Up On YouTube
9. The Band That Just Really Likes R. Kelly
This could be the national anthem one day, so technically, these guys are just being patriotic.