
"Is it wrong that when I look at the word tractor, when used in reference to the farm machine, that I think it's spelled wrong?"
Well, your friend wasn't lying to you -- the CDs you put in there would not work. I'm guessing you burned them as audio CDs and simply didn't include the CD-TEXT information on the burn. Go back and double-check it, I'm certain that if you were to put in a data CD that the unit would not read it.