| pi | action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed |
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| pi | damper consisting of a small felted block that drops onto a piano string to stop its vibration |
| pi | a bank of keys on a musical instrument |
| pi | a lesson in playing the piano |
| pi | a person who makes pianos |
| pi | the sound of music produced by a piano |
| pi | sheet music to be played on a piano |
| pi | a person who plays the piano |
| pi | a sonata for piano |
| pi | a stool for piano players |
| pi | someone who teaches students to play the piano |
| pi | someone who tunes pianos |