He could play the piano by ear in the first grade. His artistic and creative bent set him apart from the other boys, and this sense of being different grew steadily over time. “I could hear a song on the radio and sit down and play it,” says Dennis Jernigan, acclaimed Christian songwriter and musician. His life is the subject of the forthcoming feature film “Sing Over Me” that will focus on his deliverance from homosexuality, when God made him a new creature in Christ. Jernigan grew up in Boynton, Oklahoma, a prairie town of only 400 people about 50...