The piano timeline

Cítara

1700

it was considered a stringed instrument with a structure similar to that of a piano or a guitar because it had the strings in half

square piano

1776

so called because it adopted square shape and supported on four legs, adopting versatility and the acoustic pedal

Grand piano

1860

also created by Bartolomeo Cristofori, and classified as a percussion string and keyboard instrument

electric piane

1900

these emit piano timbres using analog circuits

synteshizer piano

1950

generate electrical signals converted to sounds through speakers or headphones