 In the same era they also worked with other producers such as Linval Thompson ("Wailing").From 1981 to 1984 they were largely based in the United States, and on their return to Jamaica, Haye stayed behind as did Dennis, until he returned to Jamaica and Black Uhuru in 1985.Remaining members Matthews and McDonald launched a new era of the group in 1986 with singer Ziggy Thomas added to the line-up, working with producer Delroy Wright and going on to release the albums "Lay It on the Line" (1986) and "Kingston 14" (1987), and recording "Reggae in a Firehouse" in 1988, although it was not released until 1991.