sentences:  The switch from country music to adult hits on both stations happened in November 2005, with the format branded as "93.1 and 94.7 Mac FM" KZEG changed its call letters to KMCN, for "Mac North", while KWCC changed its call letters to KMCS, for "Mac South".The stations target, as well as their home cities, the "Quad Cities" market along the Iowa–Illinois border.The music mix, meanwhile generally included pop, rock and soul from the early 1970s to the present day.