Amy Grant's unwavering belief and upbeat songs gave CCM a pop boost and inspired others to use openhearted, hooky music as a way to bear witness. It's an approach that lends itself to adaptation: The chiming alt-pop of Sixpence None the Richer, the sparkling synths of Margaret Becker and the piano balladry of Lauren Daigle all serve the same end, fusing of-the-moment musical ideals with proud declarations of faith.