Reggae singer Johnny Clarke has long been a quiet force of Jamaican music, working on fiery roots tracks with Bunny Lee in the '70s, exploring dancehall in the '80s, and remaining active since then. Though not well-known outside of Jamaica, Clarke was one of the island's most popular reggae artists during the 1970s, ranking among peers like Horace Andy and providing an influence that would show up in later stars like Sugar Minott. Lee-produced albums like 1974's None Shall Escape and 1975's Enter Into His Gates with Praise were recorded at King Tubby's studio with backing from...