One of Cristofori's three surviving pianos is at the Metropolitan Museum of Art in New York, and it has only 54 keys. How many octaves are on a piano? There are seven octaves on a standard piano ...

The piano in “The Piano Lesson” is a thing of pride and sorrow. It’s a family heirloom, a work of art, and a symbol of black achievement, but it’s also a document of families enslaved and ...