no but seriously imagine it:

your seeing fall out boy in concert. everyone is having a great time. fall out boy seem a little excited. "we have a little surprise for you guys." patrick says. all of a sudden cobra starship come out and start singing "good girls go bad". when gabe gets to the chorus, someone else starts singing....
"ive got that lefty curse where everything i do is flipped and awkwardly reversed."
lights flash everywhere, and you see fob is singing good girls go bad along with cobra starship , while tai is singing we've got a big mess on our hands. everyone in the crowd is going wild and Crying. then if things couldn't get any better, frank and bob walk onto stage and kiss, holding the gay flag.