9 7 9 , ▁K M J K ▁changed ▁its ▁format ▁to ▁Top ▁ 4 0 , ▁but ▁still ▁called ▁" Mag ic ▁ 1 0 7 ." ▁ ▁The ▁contemporary ▁hit ▁format ▁failed ▁to ▁catch ▁on , ▁and ▁in ▁July ▁ 1 9 8 1 , ▁K M J K ▁changed ▁back ▁to ▁So ft ▁Ad ult ▁Contempor ary ▁music , ▁still ▁using ▁the ▁" Mag ic ▁ 1 0 7 " ▁mon iker . ▁ ▁In ▁August ▁ 1 9 8 2 , ▁K M J K ▁switched ▁back ▁to ▁Top ▁ 4 0 , ▁while ▁retain ing ▁the ▁" Mag ic ▁ 1 0 7 " ▁name . ▁ ▁On ▁April ▁ 1 3 , ▁ 1 9 8 7 , ▁at ▁ 6 ▁a . m ., ▁after ▁a ▁ 1 2 - hour ▁st unt , ▁K M J K ▁changed ▁its ▁format ▁to ▁classic ▁hits , ▁now ▁calling ▁itself ▁" Class ic ▁H its ▁ 1 0 6 . 7 ." ▁ ▁On ▁September ▁ 1 , ▁ 1 9 8 9 , ▁K M J K ▁shift ed ▁its ▁format ▁to ▁classic ▁rock , ▁calling ▁itself ▁" Class ic ▁Rock ▁ 1 0 6 . 7 ." ▁ ▁On ▁February ▁ 1 9 , ▁ 1 9 9 0 , ▁K M J K ▁changed ▁to ▁hot ▁adult ▁contemporary ▁as ▁" 1 0 6 . 7 ▁Magic ▁FM ." ▁ ▁K M X I , ▁K KB K ▁and ▁K K J Z ▁On ▁January ▁