Some songs stay in the heart because they were there when the heart needed them most. For me, that song is “This Little Light of Mine.” It is simple. It is familiar. It carries the kind of joy that feels like clapping hands, Sunday mornings, childhood voices, and hope that refuses to be quiet. But now, when I hear it or hum it under my breath, it carries something more. It carries my sister. It was the last song I sang to her in the hospital. She asked me to sing, just as she