Rumours also circulating that the company have fired 25 other employees
Phone calls revealed as streaming platform attempts to lure Spotify users with playlist transfer option
The rapper's streaming service recently launched a new feature to help upcoming artists
The streaming service had been lambasted by critics for alleged favouring mainstream musicians
Jay-Z and Beyonce celebrate their seventh wedding anniversary
1996 album becomes first of rapper's back catalogue to be taken from streaming service
Tidal's 'Illuminati' rumours are denied by Madonna, who says 'you are paying us the highest of compliments'
Rapper launches the service in New York
The artist-owned service was launched at an all-star event earlier today (March 30)
The platform is set to launch today (March 30), with a number of artists changing their profile pictures to turquoise in support