Maddie looks at musical instruments. She uses a special slow-motion camera to find out how a piano works and how the keys are attached to levers and hammers. Show more
Discover 11,128,835 listings and 280,413 playable programmes from the BBC
Maddie looks at musical instruments. She uses a special slow-motion camera to find out how a piano works and how the keys are attached to levers and hammers. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
