Which groundbreaking album release strategy involved surprising fans with a completely unannounced album drop, changing music marketing forever?

The music industry has seen numerous innovative marketing campaigns that revolutionized how artists connect with fans and promote their work. Some campaigns have become legendary for their creativity and impact, changing how the entire industry approaches album releases and artist promotion. Test your knowledge of these game-changing marketing strategies!

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Beyoncé's self-titled album 'Beyoncé' (2013)
Radiohead's 'pay what you want' model for 'In Rainbows' (2007)
Taylor Swift's social media scavenger hunt for 'Reputation' (2017)
Jay-Z's exclusive Samsung Galaxy release for 'Magna Carta Holy Grail' (2013)