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 .
: Derived from the Italian words for "loud" ( forte ) and "soft" ( piano ), reflecting its unique dynamic range. Fortepiano Wikipedia
: Early pianos were extremely expensive and mostly owned by royalty and the aristocracy. The fortepiano was the primary keyboard instrument for
: Typically had a range of about five octaves, compared to the modern standard of seven and a third octaves. Historical Significance including Joseph Haydn