Continuity mistake: When Joe and all the handicapped meet in front of Peter's restaurant, Joe is by some white lines in one shot and not in the next. (00:16:30)
Continuity mistake: When Peter is hiding in the bedroom, the colour of the books by the TV change between shots. Most noticeable is 2 blue books become 1. (00:06:00)
Continuity mistake: The rug in the living room vanishes when Peter walks across and sits down. (00:04:00)
Continuity mistake: When Peter comes home from work, the position of the rug moves in relation to the sofa. Note Chris' feet. (00:03:50)
Continuity mistake: When Peter shocks Chris he is right next to him. In the next shot Peter is further away from Chris. (00:04:50)
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