Overview: Guests (20th Year Anniversary Show): --Pearl Bailey - ""Before The Parade Passes By"" with the ""Hello Dolly"" cast --Gwen Verdon - ""Nothing Can Stop Me Now"" --Alan King (stand-up comedian) --John V. Lindsay (NYC mayor) --Wayne & Shuster (comedy team) --Robert Merrill - ""Di Provenza"" --Los Ninos Contores De Murialdo (Cantores?) - ""Glory, Glory Hallelujah"" --The Emerald City pipe band of NYC's Police & Fire Dept. On this show, CBS renamed the theater ""The Ed Sullivan Theater."" NYC mayor John V. Lindsay officiated the unveiling of the theater's new marquee.