News Agreement covers star's entire song catalog News Group have more than 210 million streams on YouTube News They do exist, says firm - but they're certainly not common News Investment to fuel 'accelerated growth' News Lawsuit alleges that artist is owed "millions" of dollars News Bloomberg report suggests deal is being done as industry relations with service improve News Official Artist Channels will consolidate artist's subscriber base into a single hub News ISNI aims to ensure that 'every published work can be unambiguously attributed to its creator'