There are a number of WLS videos on You Tube. Check out some WLS videos including jingles and contests on the WLS You Tube page. Thanks to all who worked so hard in putting these together.

1969 WLS Sales Presentation featuring Clark Weber, Clark Weber, Lyle Dean,
 
Thanks to Chicago Film Archives.
 
Thanks to TOMOVOX.
 
Thanks to TOMOVOX.
 
Thanks to RBVO.
 
Thanks to DANIELRAYSMITHIL.

WLS - Dick Biondi - December 4, 1962
 
Thanks to LEADSQUIRTER.
 
Thanks to LEEZAMIX12.
 
Thanks to LEEZAMIX12.
 
Thanks to JANGLERADIO365.
 
Thanks to JANGLERADIO365.
 
Thanks to YEPITSME1958.
 
Thanks to AIRCHECKS.
 
Thanks to THECLASSICSPORTS.
 
Thanks to KWIK102.
 
Thanks to FUZZYMEMORIES.TV.

WLS - Susan Platt - September 18, 1982
 
Thanks to DREW TECHNER.