Coldplay frontman Chris Martin has grabbed a whole bunch of his musician buds to perform at the Global Citizen Festival on September 24 in Central Park. In addition to Rihanna and Kendrick Lamar, Metallica, Selena Gomez, and Major Lazer round out the headliners. Taking on hosting duties will be Hugh Jackman and his wife Deborra-lee, Chelsea Handler, Priyanka Chopra, Seth Meyers, Salma Hayek, and Neil Patrick Harris. Tickets to the festival are free but must be earned through "completing actions to help promote and ensure that equitable and quality education is available to all." Learn more about the star-studded festival and tickets here.