 Terry Egan reporting. Finally, the world-famous Glastonbury Music Festival has concluded after the American R&B star SZA headlined on the final night at Worthy Farm. Shania Twain had already wowed the crowds in the famed legend slot, and it's a year that shone a spotlight on female talent, and for the first time in its history, Glastonbury has had two female headliners. Our culture editor, Casey Rattle, reports.