Continuity mistake: When Arnie drives fast towards the thugs' red truck, the alley swaps from being sunny to being in shadows, back and forth.
Continuity mistake: Arnie heads for the funeral, crosses the road, the pond, and drives up a hill and stops. When the angle changes, two columns have suddenly appeared behind the car.
Continuity mistake: After Benedict is introduced, Frank's head swaps from turned to the left, next to the target, to centered, several centimeters away.
Continuity mistake: After Arnie electrocutes the baddie, Benedict aims a knife at him, and Danny pulls him away. Benedict's stunt double is noticeable because he is plumper, and his hairstyle differs.
Continuity mistake: When the thugs crash against the cardboard boxes, the stuntman flies face down horizontally, yet a frame later he is flying upwards, as if ejected.
Continuity mistake: Jack shoots at the elevator glass ceiling, but a frame later the remaining pieces have changed.
Continuity mistake: When Benedict pulls the corpse's finger, his watch is right next to the suit's sleeve. A frame later there's a 5 centimeter gap in between both.
Continuity mistake: Arnie tells Jack Slater, "Call my office," then there's a side angle of Arnie, and it is very obvious that it's not him but a stunt double.
Continuity mistake: During the shootout the baddie lying dead on the couch has his head turned to the left. A frame later it's facing the right side.
Continuity mistake: In the alleyway, the thugs' truck crashes against the boxes sideways, from a 7 O'clock position; yet a frame later it is crashing from a 9 O'clock position.
Continuity mistake: When Danny enters the theater for the preview, the wetness of his hair changes back and forth.
Continuity mistake: When Danny suddenly appears inside Arnie's car, between the chase and explosions until they park the car, none of Danny's movements and positions match between the close-ups and the wide angles.
Answer: It's "What the Hell Have I?" by Alice in Chains. Megadeth's "Angry Again" is what is played for the opening credits of "Jack Slater IV."
Phaneron ★