Continuity mistake: On the tour bus, in one shot we see Meg wearing her outfit that she wore when she had her make-over. Then about 10 seconds later you see her in a different outfit altogether.
Continuity mistake: Meg is wearing a pink top and blue bottoms in most of this episode, even when sitting at a table watching TV. Then, a few seconds later, when she demands her mum go get her a bag of Skittles, Meg is now in a solid pink dress.
Continuity mistake: As Meg walks on stage at the prison, the items on the floor change drastically between shots. (00:12:15)
Continuity mistake: When Lois sits down at the keyboards a microphone and stand appear in front of her from nowhere. (00:12:00)
Continuity mistake: During the riots, the position of the instruments change, Cleveland drops the blue guitar on the floor but Chris grabs it from leaning against the wall. (00:11:50)
Continuity mistake: The stains on the wall behind the drum kit keep changing between shots. (00:11:25)
Continuity mistake: We see an inmate say "I hear there is a lot of buzz about this new band". When he does there is an overhead shot showing that a lot of chairs are empty and that there is no group of people sat together but as the camera changes, the gaps have gone and seats are filled. (00:10:40)
Continuity mistake: As the inmates start to riot they all have chairs to sit down. But the shot changes and all but 3 of the chairs have disappeared. (00:11:40)
Continuity mistake: When in the clam, the items under the bar change from pint glasses only to a mix of pint, martini and wine glasses and some boxes. (00:05:30)
Continuity mistake: When Peter's band is on stage he gets everyone's attention with a mic. Two shots later once they realise they can't play, the mic has mysteriously vanished.
Chosen answer: It's a real song called "Elvira". Originally by Dallas Fraizer in '66, however, this version seems to be the Oak Ridge Boys cover version. However, the mega lesbians skip the verse and just sing the chorus after the opening line.
Bishop73