Just in case someone else gets interested how Jamaican folk song got such an interesting interpretation by a Japanese singer - the most info I got, is in Michiko Hamamura's Wiki page. Just be sure to use Japanese version, auto-translated, if necessary... ja.wikipedia.org/wiki/%E6%B5%9C%E6%9D%91%E7%BE%8E%E6%99%BA%E5%AD%90