Piano, a keyboard musical instrument having wire strings that sound when struck by felt-covered hammers operated from a keyboard. The standard modern piano contains 88 keys and has a compass of seven full octaves plus a few keys.
16 Fun And Interesting Facts About The Piano
Musical Terms for the Seventeenth and Eighteenth Centuries
The Evolution Of The Modern Piano (Facts, Photos and Timeline
Piano - Wikipedia
A Brief History Of The Piano - Sono Music Brisbane
Piano - Wikipedia
Exploring the History of the Piano - Musical Instrument Museum
Piano, Definition, History, Types, & Facts
Keyboard History and Facts by Elizabeth Labes
Piano Definition & Background - Lesson