Piano

The piano is a musical Muggle instrument played by means of a keyboard. It is one of the most popular instruments in the world. Widely used in classical music for solo performances, ensemble use, chamber music and accompaniment, the piano is also very popular as an aid to composing and rehearsal. Although not portable and often expensive, the piano's versatility and ubiquity have made it one of the world's most familiar musical instruments.

Pressing a key on the piano's keyboard causes a felt-covered hammer to strike steel strings. The hammers rebound, allowing the strings to continue vibrating at their resonant frequency.[1] These vibrations are transmitted through a bridge to a sounding board that more-efficiently couples the acoustic energy to the air. The sound would otherwise be no louder than that directly produced by the strings. When the key is released, a damper stops the string's vibration. See the article on Piano key frequencies for a picture of the piano keyboard and the location of middle-C. In the Hornbostel-Sachs system of instrument classification, pianos are considered chordophones.

The Black family must be one of the only known wizarding families to own a piano, althrough Horace Slughorn mentioned it while talking about Burglar alarms. In 1997 Hermione Granger, Ronald Weasley and Harry Potter was hiding at 12 Grimmauld Place. While hiding Hermione tried to teach Ron how to play Für Elise, however he did not play well.

Appearances

 * Harry Potter and the Half-Blood Prince
 * Harry Potter and the Deathly Hallows: Part 1