Ok, I'll give it a go, assuming TP actually got to a computer with internet access to send the email to Jeff W with a claim.
1. Items required: One tape recorder (insert spec here) with batteries, one blank tape (insert spec here), one faraday cage (insert spec here), audio/video equipment as requested by JREF to record the test.
2. Location & time - Devil's Chair, October 31, (insert year here) at midnight (Halloween)
3. The tape recorder and blank tape will be newly purchased by the testing entity as near to the date of the test as convenient with funds provided by David Koenig.
4. David Koenig will not have access to any of the items prior to testing.
5. Davic Koenig will sit in Devil's Chair at 11:55 pm where he will remain for the duration of the test.
6. The tester will open the tape recorder from it's original packaging in view of all interested parties, insert the batteries, and set it aside. The tester will open the new tape from it's original packaging in view of all interested parties and put it in the tape recorder.
7. The tester will switch the tape recorder to record and say the following into the mic, "Time flies like an arrow.". The tester will rewind the tape and play back the recorded words to ensure that the equipment is functioning. The machine will be stopped at the end of the tester's recorded words and left at that point on the tape.
8. The faraday cage will be examined by the tester to ensure that it is empty. The faraday cage will be placed on the ground, 10 feet +- six inches in front of Devil's Chair, in view of David Koenig.
9. The tester will place the tape recorder in the faraday cage and switch it to record.
10. The tester will close the faraday cage and step away. The tester will remain at least 10 feet from Devil's chair and the faraday cage.
11. David Koenig will speak an invocation of his choosing at will throughout the test.
12. At 12:30 am on November 1, (insert year here), the test will be stopped. The tester will open the faraday cage, remove the tape recorder, and say the words, "Fruit flies like a banana.", and then stop the recording.
13. The tape will be removed from the machine and a preventive measure applied to ensure that it isn't recorded over.
14. The tape and machine will be brought to an enclosed room convenient to the testing location, along with all interested parties.
15. The tape will be rewound and played back using the same machine it was recorded on.
16. Ten persons, not present at the test proper, will listen to the recording and independently write down sentences that are heard.
17. Eight of the 10 listeners must hear corroborating sentences for the test to be successful.
Really, really rough draft. I'm no magician so I can't foresee every avenue of trickery.