Global Citizen Festival is taking place this weekend at the Great Lawn of Central Park with Red Hot Chili Peppers, Ms. Lauryn Hill, Jung Kook and Anitta are all set to perform and the event will be streamed to the world. Katy Perry sold her music catalog to Litmus Music for $225 million. Today is National Cheeseburger Day you can celebrate at McDonald’s & get a double cheeseburger for 50 cents.