The image is of the keys of a piano. The keys are made of black and white. The piano is made of wood. The wood is polished and has a shiny surface. The piano keys are arranged in a chromatic scale. The white keys are the natural notes, and the black keys are the sharps and flats. The piano is an instrument that is played by pressing the keys with your fingers. When you press a key, a hammer inside the piano hits a string, which produces sound. The piano is a versatile instrument that can be used to play a wide variety of music.