Which music analytics innovation first allowed record labels to accurately predict Billboard chart performance before a song's release?

The music industry has undergone massive transformation through data analytics. From predicting hit songs to personalizing listener experiences, technology has fundamentally changed how music reaches consumers. This trivia question explores a pivotal moment in music retail analytics that forever altered how the industry understands consumer behavior and preferences. Test your knowledge about this game-changing development!

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Spotify's Streaming Velocity Algorithm (2015)
Next Big Sound's Pattern Recognition System (2009)
Apple Music's Engagement Metrics Suite (2017)
SoundScan's Digital Download Tracking (2003)