Which music streaming service was the first to successfully implement a subscription model that gained widespread adoption and significantly impacted the industry's revenue structure?

The music industry has undergone a radical transformation with the rise of subscription-based streaming services. What started as a solution to combat piracy has evolved into the dominant revenue model for the music business. This poll tests your knowledge about a pivotal moment in music subscription history that changed how we consume music forever.

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Spotify (launched 2008)
Apple Music (launched 2015)
Pandora (launched 2000)
Amazon Music (launched 2007)