Modern hymn writers Keith & Kristyn Getty release first book, Sing! Nashville, Tenn. (September 1, 2017)―Critically-acclaimed modern hymn writers Keith and Kristyn Getty will release their first book Sing! How Worship Transforms Your Life, Family, and Church (September 1, B&H Publishing Group) as part of their Sing! campaign to encourage and reform congregational worship. The Gettys are best known for reinventing the traditional hymn form, with over 60 songs featured on top 2,000 Christian Copyright Licensing International (CCLI) charts between…