In 1709, Bartolomeo Cristofori revolutionized music by inventing the pianoforte the first piano. His innovative hammer mechanism allowed musicians to play both soft and loud, unlike the harpsichord's fixed volume. This breakthrough in musical engineering made the piano the preferred instrument of composers and performers, forever changing Western music. Keywords naturally included: pianoforte, Bartolomeo Cristofori, harpsichord, hammer mechanism, musical engineering, Western music | The History