LIFT EVERY VOICE How anyone—and we mean anyone—can learn to sing more sweetly Artists as stylistically and generationally diverse as Billie Holiday, Sam Cooke, Roger Daltrey and Lady Gaga have proven again and again that the right vocal performance can touch the listener’s deepest emotions—while the wrong one can abuse the eardrums of innocent bystanders. Learning to channel your own inner songbird can be a challenge, but there are steps...