Piano is the collective name of a class of string percussion and keyboard musical instruments -  pianos. The source of sound in a piano is metal strings that begin to sound from the impact of completely covered wooden hammers, and they are actuated by pressing your fingers on the keys.

Accordion - a musical instrument, improved chromatic harmony. It consists of two lids-boxes, interconnected by bellows, and two push-button keyboards for right and left hands.

 

Leader - Maksym Lozko