Which controversial marketing tactic was used during the 2015 Tidal streaming service launch that backfired and was widely criticized as tone-deaf to consumers?

In 2015, a major music streaming service launched with unprecedented star power backing it, promising to revolutionize how artists were compensated. Despite having 16 famous artist-owners including Jay-Z, Beyoncé, Rihanna, and Madonna, this platform's launch campaign became a case study in product marketing failure. Test your knowledge about this infamous product launch that promised to 'change music history' but initially failed to connect with consumers.

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Celebrity owners signed a 'declaration' on stage portraying themselves as struggling artists fighting for fair compensation
The service launched with an exclusive Taylor Swift album that was later revealed to be unauthorized, resulting in legal action
Tidal offered to donate $1 million to music education for every 100,000 new subscribers, but later retracted the offer
The launch featured a 'delete Spotify day' campaign where celebrities publicly showed themselves removing competitor apps