A catchy jingle is a short song in an advertisement that will help the consumer to
remember the name of a company, web address, phone number or any other
information. Companies who are currently using them include Stanly Steamer, 1-800-Mattres, freecreditreport.com...
In advertising propaganda, this falls under "
repetitive advertising", because after the consumer hears it a few times, they generally memorize it.