Summary

Welcome to Billboard Pro’s Trending Up newsletter, where we take a closer look at the songs, artists, curiosities and trends that have caught the music industry’s attention. Some have come out of nowhere, others have taken months to catch on, and all of them could become ubiquitous in the blink of a TikTok clip. This week: A Halloween post-mortem, starring “Thriller,” Lady Gaga, and a handful of songs we would not have anticipated having to talk about this time of year.

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