There are 10 different kinds of pianos. Such as, the Upright, Grand, Fender Rhondes, Digital, harpsichord, clauichord, pipe organ, hammand organ, and the synthesizer keyboard.
There are 10 different types of piano, all of which have metal strings which are struck by felt-covered hammers when a musician presses a key on the keyboard. Pianos are descended from other keyboard...