What's it called?

[Wilson Gray]

On Mon, Dec 31, 2012 at 2:43 PM, Joel S. Berson <Berson at att.net> wrote:
> I like "rhythmic head-bobbling".

So do I.

--
-Wilson
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All say, "How hard it is that we have to die!"---a strange complaint
to come from the mouths of people who have had to live.
-Mark Twain

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