By reading this storybook, students will learn about the evolution and characteristics of the piano as a musical instrument. Students will be introduced to Bartolomeo Cristofori, who was credited with inventing the piano. The story explains the structure of a piano, including its eighty-eight keys, and how the mechanism of padded hammers striking metal strings produces sound. They will also learn about different types of pianos, such as upright and grand pianos, electronic keyboards, and the role of pedals in altering the piano's sound.