Continuity mistake: When Herrera is swinging the fire in the trick for Nancy's birthday party, you can see Dale, Nancy and John Redcorn are at their tables sitting near the stage. In some of the following shots you can see they are further back, towards Hank and Peggy.
Continuity mistake: In the shot where Hank is using the paint roller on Bobby's wall, where he has it positioned it is around level with his head. When the shot changes to showing his face the roller has moved considerably higher out of position from his face.
Answer: If you are talking about the "Thou shalt not do this, thou shalt not do that" song, I'm not sure if a song like that actually exists. Green Day, the guest voices on the episode, might have just been improvising to keep their appearance from being too obvious.