Next, Alicia Keys belted out the "Star-Spangled Banner" as the children, in white polo shirts with green ribbons pinned to them, stood with their hands on their hearts.
For the next 7 minutes, video images of Ralph Lauren clad models strutted along the balconies, a giant green belt wrapped itself around the building and polo horses galloped across the facade.
Amidst lush green in the desert, Coachella takes place on the Empire Polo Fields in Indio, California, a small hamlet about a dozen miles from Palm Springs.