sluice wrote:
Yes, I sing along in my car all the time and sometimes play the air drums on my dash. I figure it is better than talking to myself.

Nothing wrong with both singing and talking in the car. Some of the best conversations I have had have been with myself. Damn I'm interesting. And when you are bored talking with yourself, then you can sing.
I'm singing in the car, I'm singing in the car, I am about to hit a chestnut tree ... Doh!
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I don't have one.