I’ve always loved the old Utah Phillips tune Rock, Salt, and Nails. It has such a lonesome sound that connects on so many levels. And surprisingly, for a song that sounds so ancient, no one sings it with greater feeling than the young country singer Tyler Childers. “By the banks of the river, where the willows hang down, Where the wild birds they warble with a low moaning sound, Way down in the hollow where the water runs cold, It was there I first listened to the lies that you told. Now I lie on my back and I see your sweet face. The past I remember, time can’t erase. The letters you wrote me, they were written in shame, And I know that your conscience still echoes my name.” Childers is from Kentucky, having grown up in Lawrence County where his father worked in the coal industry and his mother worked as a nurse. Like many a country musician, he began singing in church—in his case the local Free Will Baptist congregation. His grandfather gave him …