There's A Reason You Can Sing What's On A Big Mac, Even If You Weren't Born In The '70s - Chowhound

Patcharaporn Puttipon4289/Shutterstock It was an earworm before the term earworm was coined to describe a song that gets stuck in your head for hours on end. It hardly had the rhythm, message, or musical chops of "You Deserve a Break Today," the fast food giant's signature song famously written by a young jingle writer named Barry Manilow. But ask anyone to recite the 1974 McDonald's jingle listing the…