Fortepiano Wikipedia Here

: Typically had a range of about five octaves, compared to the modern standard of seven and a third octaves. Historical Significance

The fortepiano was the primary keyboard instrument for major composers of the Classical era , including Joseph Haydn , Wolfgang Amadeus Mozart , and early Ludwig van Beethoven . Fortepiano Wikipedia

: Derived from the Italian words for "loud" ( forte ) and "soft" ( piano ), reflecting its unique dynamic range. : Typically had a range of about five

: Unlike the harpsichord , which plucks strings, the fortepiano uses leather-covered hammers to strike them. This allows the player to vary the volume based on the force of their touch. including Joseph Haydn