I work third shift and the other day I got awakened by the strains of “Turkey in the Straw” coming from an ice cream truck. I was tempted to snipe him out of my bedroom window but was too damned tired to make the effort.
The truck in my old neighborhood played the EXACT theme that Eddie used in his famous bit. It made me laugh every time I heard it.
The Mr. Whippy vans in New Zealand used to play “Greensleeves” to alert potential customers to their presence in an area.
In Australia, the Home Ice Cream truck (which delivers not standard parlour-style ice creams and cream freezes, but actual supermarket-style tubs of icecream) just rings a bell to announce they’re in your street, and if you want some ice-cream you just go outside and hail them down.
It’s rather amusing, actually- they don’t do milk deliveries around here (and haven’t in years!), but you can get delicious icecream straight to your door without even having to pick up the phone. 
We get the honor of hearing “The Crazy Old Man from China” from our ice cream
man. I was thinking that this might not be PC, but I realized that my neighborhood is primarily white retirees and English-notspeaking Hispanics. The retirees may get a laugh out of it, and the furriners don’t know the words!
That’s some real sales savvy!
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Oh, yeah, the OP…what was the question again???
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In my fair City we have a truck whose ice cream is so damn additive I think it is laced with drugs. If anyone killed the driver, they would be hung upside down and naked from the monument in the middle of the City.
Additives? What, like Slick 50 in the crankcase and Water Wetter in the radiator?