Jay Z: My App Has Been Smeared By Big Firms

Jay Z claims big companies are "spending millions on a smear campaign" against his new music streaming service Tidal. The app - which promises to pay a 75% royalty rate to artists - has slipped out of the top 700 Apple store apps while rival Spotify has soared. The rapper took to Twitter to defend his service, which is co-owned by artists including Kanye West, Madonna, Jack White and Daft Punk. There are many big companies that are spending millions on a smear campaign.