Jay-Z is planning on celebrating the 1 million subscribers mark on the streaming service Tidal in a huge way. On 10/20 he will hold the Tidal X Charity Concert at the Barclay Center in Brooklyn, NY. Guest performers will include Beyonce, Prince, Usher, Lil Wayne, Nicki Minaj, T.I., Damian Marley, Fabolous, Cipha Sounds, Justine Skye, Flatbush Zombies, Bas and more. Tidal subscibers will be able to Lifestream the concert from their computers or apps and tickets are available at Tidal.com/TidalX1020.