▁ 2 0 1 5 , ▁with ▁Miller ▁re - ass uming ▁a ▁main ▁hosting ▁role . ▁Kim ▁Ber k , ▁formerly ▁of ▁W W FS ▁in ▁New ▁York , ▁joined ▁Miller ▁as ▁co - host ▁in ▁January ▁ 2 0 1 6 . ▁Robert ▁Mur phy ▁was ▁released ▁from ▁the ▁station ▁in ▁December ▁ 2 0 1 6 ▁to ▁be ▁replaced ▁by ▁Ron ▁Parker ▁( from ▁W C BS - FM ▁in ▁New ▁York ) ▁to ▁handle ▁afternoon ▁duties . ▁As ▁of ▁late ▁ 2 0 1 7 , ▁the ▁focus ▁is ▁now ▁mainly ▁hits ▁of ▁the ▁ 1 9 7 0 s ▁through ▁the ▁early ▁ 1 9 8 0 s , ▁with ▁a ▁small ▁sampling ▁of ▁pre - 1 9 7 0 / post - 1 9 8 9 ▁and ▁mid - late ▁ 1 9 8 0 s ▁and ▁early ▁ 1 9 9 0 s ▁hits ▁mixed ▁in ▁due ▁to ▁the ▁play list ▁being ▁limited . ▁The ▁start ▁of ▁ 2 0 1 8 ▁brought ▁Dave ▁F og el ▁back ▁to ▁W LS - FM ▁as ▁Ber k ' s ▁morning ▁co - host , ▁with ▁Miller ▁moving ▁to ▁a ▁weather ▁reporting ▁only ▁position . ▁ ▁On ▁November ▁ 1 7 , ▁ 2 0 1 7 , ▁W LS - FM ▁became ▁Chicago ' s ▁only ▁classic ▁hits ▁station ▁when ▁rival ▁W J M K ▁changed ▁formats ▁to ▁classic ▁hip - h op . ▁ ▁References ▁ ▁External ▁links ▁ ▁History ▁of ▁ 9 4 . 7