It is believed to have been heard on or around the following dates on the following stations. This is not a complete list.
The Freckle Song - Larry Vincent & His Look Out Boys [played before opening]
Creep, The Tragic Cockroach - The Roaches
The Cockroach Stomp - Jack Blanchard & Misty Morgan
The Cockroach That Ate Cincinnati (missing spoken outro) - Rose & The Arrangement
Do The New York - Ben Selvin & His Orchestra
Los Angeles, Los Angeles - The Zanies
The Ballad Of Irving ("schlepping" version) - Frank Gallop
Blood On The Saddle - Tex Ritter
Go Go Pogo - Walt Kelly
Boy Wonder I Love You - Burt Ward
The Funniest Song In The World - Groucho Marx
Ain't We Crazy - Haywire Mac
The Mummy - Bob McFadden & Dor
Smoke, Smoke, Smoke That Cigarette - Bobby (Boris) Pickett & His Filter Tip Kickers
Cigareetes, Whuskey, And Wild, Wild Women - Red Ingle & The Natural Seven
Poisoning Pigeons In The Park (orchestral version) - Tom Lehrer
Boogie - John Hartford
Minnie The Moocher - Cab Calloway & His Orchestra
Cocaine Bill And Morphine Sue - The Blazers
Highly Illogical - Leonard Nimoy
Martian Hop - The Ran-Dells [started at 33 1/3 rpm instead of 45 rpm]
Everyone Says "I Love You"/Collegiate - Groucho & Chico Marx
Je T'Aime...Moi Non Plus - Jane Birkin & Serge Gainsbourg
I'm Tired - Madeline Kahn
I Love Me - Eddie Cantor
Purple Haze - The Roto Rooter Good Time Christmas Band
William Tell Overture - Spike Jones & His City Slickers
The Crusher - The Novas
The Dirty Old Man - Jim Backus
Shaving Cream - Paul Wynn
It's A Gas - Alfred E. Neuman
Dueling Tubas - Martin Mull
They're Coming To Take Me Away, Ha-Haaa! - Napoleon XIV/I'm Normal - The Emperor
next week: introducing the zany figures of Captain Chaos and Jungle Judy