Factual error: In the opening, the song "I stole your love" is heard playing. When she pick up the record it shows the B-side, but the song played is on the A-side.
Revealing mistake: When Hawk pukes on the stage you can notice in the side view that the puke is too much and fake.
Continuity mistake: While the disco guys are beating Hawk and the others the sun changes between shots.
Factual error: When Beth is looking out the school window at Jam's Mom driving away with him leaving the school, at the top of the screen is an adjacent street and one of the cars passing by is a Chevrolet Venture minivan, which didn't come out until the mid 90s. (Note: this error has since been cropped away from DVD and Blu-ray versions and is only visible on the VHS release).
Answer: It is the intro to Black Sabbath's "Iron Man".
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