Organ-building brought to the masses: you can build a flue pipe entirely of cereal box cardboard in about 10 minutes. The construction I mention here is different from the one used in my Christmas Organ (q.v. - http://earth.prohosting.com/ssngai1/organ/organ.htm and Youtube), but that just demonstrates that a flue pipe can easily be made of any material just so long as it has the right basic form.
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