Nice job Waldo,I've been toying with that Idea myself,although I'm still a little way from installing the 'sounds' yet!

Street Rodder did a nice install on an AD a few years back with a CD head unit behind the grill and one of the slots opened up for the CDs to be loaded.
The unit was remote controlled.

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.