In place of an in-person event this year, the venerable UK music festival Glastonbury hosted a ticketed livestream event from its longtime venue Worthy Farm. It included the surprise debut of the Smile, a new band with Radiohead’s Thom Yorke and Jonny Greenwood plus drummer Tom Skinner. Also on the bill were former Radiohead acolytes Coldplay, who are in the process of rolling out a new album that may or may not be called Alien Radio.