Critical Research Failure: The writers are somehow under the impression that there's something special about Thor's helmet. As in Marvel ComicsThor. In the comics themselves, the only thing special about Thor's helmet is...he wears it.
Crowning Music of Awesome: A gravelly-voiced Albert Collins issues the decree of "Nobody leaves this stage without singin' the Blues." And thus, we demonstrate that Elisabeth Shue has surprisingly good pipes.
The Rolling Stones. "Gimme Shelter". What else can you ask for? note well, it would've been nice of them to not cut it off so quickly, but hey, it's still "Gimme Shelter".
Technology Marches On: Within a few years of this film's release, Brenda could have stocked up on cash from the bus station ATM rather than needing a ride, and Chris could've called a tow truck and cab from her cell immediately after getting a flat.
They Wasted a Perfectly Good Plot: Admit it, wouldn't it have been fun to see how the gangsters could have done to sing the blues to get out of that club to continue the chase?