You can use 'ring ring ring ring' as a signal for something exciting in the story. For example, in a story about a wizard's apprentice, the 'ring ring ring ring' could be the sound of a magical alarm that warns of a dragon approaching.
One bedtime story could be about a magical bell that goes 'ring ring ring ring'. The bell is in an enchanted forest and every time it rings, it wakes up the little fairies who then start their day of spreading magic and kindness in the forest.