Sound of silence opens Glastonbury before Manchester classics fill the void

By Paul SandleGLASTONBURY, England (Reuters) - The Glastonbury Festival fell silent for a minute on Friday in memory of recent terror attacks and the devastating Grenfell Tower fire, before Hacienda Classical eased revellers into the first day of music at the world's biggest greenfield festival.Peter Hook, the bass player from Manchester bands Joy Division and New Order, led the crowd on the main Pyramid Stage in reflecting on "our hopes and our prayers for life, love and freedom, the things we