“Listen to the rock, W-RoCK!” Right off the bat it seemed likely that was going to morph into WLS-FM, especially hearing Brant Miller’s voiceovers, station IDs, etc.

This might come down to the wire between FM95 W-RoCK and 101 FM News though. That experiment lasted very little time on 101.1 FM, although I don’t know if the callsign history accurately shows how long the format lived: https://licensing.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hi