The ‘Royalty Black Box,’ the Music Industry’s $2.5 Billion Underground Economy

https://www.digitalmusicnews.com/2017/0 ... black-box/
it involves billions in unclaimed, unmatched, delayed, or otherwise unpaid digital royalties. And holding the golden bag is a mish-mosh of well-positioned middlemen, including a gaggle of PROs, mechanical rights licensing administrators, and others who mysteriously can’t figure out where that check should be sent.
So who’s holding all this cash?