AMERICANA
'(<a href="http://www.j-archive.com/media/2005-10-19_FJ.jpg" target="_blank">Kelly of the Clue Crew reads the clue from a mail sorting counter at the post office.</a>)  In the '60s, to popularize a new system, the Post Office used ads of Ethel Merman singing this Disney movie tune'
\"Zip-A-Dee-Doo-Dah\"