As I write about Desmond Dekker, a Gregory Isaacs song (Love is Overdue) is coming to me from across the way. I’m thrilled to see that the music popularized by artists such as Dekker, Isaacs, Marley, Dennis Brown, etc., is holding its own against dancehall. Desmond Dekker and his backup band, the Aces, won the Jamaica Festival Song Competition in 1968 with Music Like Dirt and had a string of...