Cumulus Classic Hits 94.7 WLS-FM Chicago is lengthening airshifts following the exit of 1-4pm host Danny Lake. Morning co-host Kim Berk will add solo duties from 9-10am. Greg Brown moves from 9am-1pm to 10am-3pm, Robert Murphy from 4-8pm to 3-7pm and Jeff Davis adds the 7pm hour to his prior 8pm-12am timeslot. Lake joined WLS-FM