Which groundbreaking digital marketing campaign allowed fans to set their own price for an album, challenging traditional music retail models?

The music industry has seen some revolutionary marketing campaigns that transformed how artists connect with their audience. From innovative digital strategies to groundbreaking product launches, marketing has played a pivotal role in catapulting musicians to stardom. Test your knowledge about one of the most influential music marketing campaigns that changed the industry landscape forever!

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Radiohead's 'pay what you want' release of 'In Rainbows' in 2007
Jay-Z's exclusive Samsung release of 'Magna Carta Holy Grail' in 2013
U2's automatic download of 'Songs of Innocence' to all iTunes accounts in 2014
Beyoncé's surprise visual album release of 'Lemonade' in 2016