In 1974, KKSS came to life on the FM band at 107.7 mHz., owned by the Amaturo Group. With a lively, pop format, the station established itself in the market. Seeing an opening in formats, management segued to disco, and finally, a popular Black format. With power increased to 100 KW in 1977, commercial success continued. Station call letgters were changed to KMJM in January, 1980.