Yo are you sure that the song was カーリーとキャロル? I just listened to it and it doesn't sound the same at all. Although the sound is a bit similar, they don't seem to be the same.
Yeah SpongeBob kinda went crazy one day and just nail that piece of bread to his wall. W H Y I A M N O T G O O D F O R Y O U, Y O U P I E C E O F B R E A D!!!!