What do the piano pedals do?

A lot of students have been asking about the various pedals on the piano; 

1. Why are there 3 pedals on some pianos and only 2 on others?

2. What do they all do? 

3. Can you use several pedals together (3 would be tricky!) 

4. What happens inside the piano when the pedals are pressed down? 

Well, here’s a short video that explains everything:

Hope you found it useful.  

Alan

Alan Moore