CC Ādi 14.78

calite caraṇe nūpura bāje jhanjhan
śuni’ camakita haila pitā-mātāra mana
Word for word: 
calite — while going; caraṇe — on the lotus feet; nūpura — ankle bells; bāje — sounded; jhanjhan — tinkling; śuni’ — hearing; camakita — struck with wonder; haila — became; pitā — of His father; mātāra — and mother; mana — the minds.
Translation: 
When the child was going out, there was a tinkling of ankle bells from His lotus feet. Hearing this, His father and mother were struck with wonder.