Which music streaming service pioneered the 'freemium' subscription model that fundamentally changed how the industry monetized digital music?

The music industry has undergone dramatic transformations in how consumers access content - from physical album ownership to the current subscription-dominated landscape. This transition represents one of the most successful subscription model pivots in entertainment history. Test your knowledge about how the subscription revolution changed the economics and consumption patterns in the music business!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Spotify (launched in 2008, offering both free ad-supported and premium subscription tiers)
Apple Music (launched in 2015 with a subscription-only approach)
Pandora (launched in 2000 as an internet radio service before adding subscription options)
Amazon Music (evolved from the Amazon MP3 store to include subscription streaming)