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This is how the Inspector looks when you select the QuickTime Metadata Set.

QuickTime Metadata Labels

• Album: com.apple.quicktime.album
• Artist: com.apple.quicktime.artist
• Author: com.apple.quicktime.author
• Comment: com.apple.quicktime.comment
• Copyright: com.apple.quicktime.copyright
• Description: com.apple.quicktime.description
• Director: com.apple.quicktime.director
• Title: com.apple.quicktime.displayname
• Information: com.apple.quicktime.information
• Keywords: com.apple.quicktime.keywords
• Producer: com.apple.quicktime.producer
• Software: com.apple.quicktime.software
• Year: com.apple.quicktime.year