Geoff and Jenny Ayling on the secret advertising formula that made them the King Queen of Jingles.

They're the hit machine behind campaigns that drove millions in sales and have us all remembering phone numbers 30 years later.

"The playschool theme song, "Mr Squiggle","Good on ya mum Tip Top’s the one”“I like Bing Lee”

and around 15,000 more 30 second hits are all due to this amazing husband and wife team.

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