Which of these music product launch strategies actually happened?

The music industry has seen some revolutionary product launches that changed how we listen to and experience music. From portable devices to streaming platforms, these launches were often accompanied by memorable marketing campaigns and significant cultural impacts. Test your knowledge about some of the most influential music product launches in recent decades and see if you can identify which launch strategy actually happened!

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Apple's 2001 iPod launch included giving away 10,000 free devices to music influencers before public release
Spotify's 2008 initial release was invite-only, creating exclusivity and word-of-mouth marketing
Sony's Walkman launch in 1979 featured a worldwide simultaneous release in 50 countries with identical marketing
Beats by Dre headphones were initially sold exclusively through music venues and concert merchandise stands