Katy Perry was able to help grant the wish of a lifetime for 9-year-old Rayna. Music was the driving force in her recovery from a malignant brain tumor.
Music was incorporated into Rayna's therapy, and specifically Katy Perry's song, "Roar" brought out a light and energy that helped her push through.
Watch as Rayna meets and sings with Katy Perry in an unforgettable moment, that will undoubtedly stay with her for a lifetime.