Complex sentence: Ray Quinn, who had been Johnson's General Manager at his property in Louisville, KY (WRKA) moved to Birmingham and built a new management team and changed its format to adult contemporary on December 26 of that year.
Split into simpler sentences: Ray Quinn, who had been Johnson's General Manager at his property in Louisville. Kentucky (WRKA) moved to Birmingham and built a new management team and changed its format to adult contemporary on December 26 of that year.