'friends'. In the mid 1960s, when ska evolved into the cooler, more soulful  rocksteady  period, Morgan continued to release top quality material, including the seminal  rude boy  classic, "Tougher Than Tough", "Do the Beng Beng", "Conquering Ruler", and a  cover  of  Ben E. King ’s  soul  hit, "Seven Letters". Produced by  Bunny