The 17-year old pop star also encourages her fans to contribute to the organization.
The lineup also includes Panic! At the Disco, Lizzo, Tash Sultana, Kali Uchis, Banks, and more.
Plus: Blink-182, HAIM, Weezer, Young the Giant, Big Sean, and many more.
GA access to Bonnaroo, Lollapalooza, Austin City Limits, Rock Werchter, and more.
The Killers, Beck, CHVRCHES, Band of Horses, Big Boi, and many more.
Elton John, Van Halen, Drake, Sam Smith, Run the Jewels, Jenny Lewis, and more to play Atlanta festival.
Jack White, Eminem, Lorde, and Lana Del Rey set to play Atlanta music festival.
Red Hot Chili Peppers, Phoenix, YYYs, Kendrick Lamar, and more.
Plus, Florence and the Machine, The Avett Brothers, T.I., and Girl Talk.
Chris Martin and co. take on “Everybody Hurts”.
Cage the Elephant, Manchester Orchestra, and Band of Skulls also playing.