Jay-Z is getting ready to launch his new high-definition music streaming platform today at 5pm.
Read the full story via Tech Crunch here: http://techcrunch.com/2015/03/30/jay-z-to-relaunch-his-new-tidal-music-service-today-with-madonna-kanye-beyonce-exclusives-in-tow/#JJw9Qs:qKx7
