Discover Miley Cyrus’ powerful new single “Dream As One,” crafted for Avatar: Fire and Ash. Explore how her voice elevates the film’s emotional core with a sweeping, otherworldly sound.

The four nations of Air, Water, Earth and Fire lived in harmony until the Fire Nation declared war. A century later, there is still no end in sight to the destruction, then, an Avatar named Aang (Noah Ringer) discovers that he has the power to control the...