Jay Z has unleashed a ‘stream of consciousness’ defence of his streaming service Tidal. The 45-year-old rapper is co-owner of the new tech company, which hosted a star-studded press conference in March with attendees like Madonna, Deadmau5, Alicia Keys, Daft Punk, Rihanna, Nicki Minaj and Jay Z’s wife Beyonce Knowles. Although the fanfare was initially