This is a story about how the most sophisticated copyright filter in the world prevented us from explaining copyright law. It doesn’t involve TikTok dance moves or nuanced 90s remixes featuring AOC. No, it involves a debate at a law school conference over how and when one song can infringe the copyright of another and how exactly one proves in a courtroom if the accused song is “substantially similar” enough to be deemed illegal. In the end, because it was blocked by one of the music companies who owns the song, it also became a textbook study in how fair use still suffers online and what it takes to pushback when a video is flagged. A copyright riddle wrapped up in an algorithmic enigma, symbolic of the many current content moderation dilemmas faced by online platforms today.  

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