Continuity mistake: In his cameo in this film, Tim Burton is holding something in his left hand that looks like a remote of some sort when we first see him in the background. Then the shot changes to Debbie and back to Tim, but this time he doesn't have it. Then the shot changes to Debbie again and then back to Tim, and he reaches to his far right and picks it up.
Continuity mistake: The scene where Alice in Chains are playing, when we enter the club the band are in full gig mode. With Layne (the singer) stripped naked from the waist up and sweaty then later in the club he has his jacket on and looks like he's fresh and just starting the gig.
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Trivia: Many musicians make cameo appearances in this film. Examples: Eddie Vedder, Stone Gossard, and Jeff Ament of "Pearl Jam" are Cliff's band Citizen Dick. Chris Cornell makes two appearances, once outside Cliff's apartment when Cliff puts the new speakers in his girl's car and when he performs in the club with the rest of "Soundgarden". "Alice in Chains" also perform in the club.