Which famous fast-food jingle was originally composed as a training tool for employees to remember the complex ingredient list of the company's signature product?

Before logos filled our screens, sonic branding through jingles helped products become cultural icons. These musical snippets weren't just catchy tunes—they were sophisticated marketing tools designed to trigger instant brand recognition and emotional connections. Some have evolved over decades while maintaining their core identity, becoming as recognizable as the products themselves. Test your knowledge of these advertising earworms that have shaped consumer culture and become part of our collective memory.

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McDonald's 'I'm Lovin' It'
Burger King's 'Have It Your Way'
Big Mac's 'Two all-beef patties' song
Wendy's 'Where's the Beef?'