After months of frustration and incorrect guesses, the latest Smile Secret Sound has finally been cracked by Chantal Wagner of Wetton! Chantal is a human resource professional and mom of two who describes herself as laid back.

You wouldn’t describe her as laid back after hearing her on Smile Breakfast this morning! She called Bobby & Lindy and, after studying all the previous guesses on our website, guessed that the Smile Secret Sound was a bicycle seat’s being moved up and down:

Just in case you were feeling skeptical:

The Smile Secret Sound referee has promised a brand new sound starting on Wednesday 31 July on Smile Breakfast.