Upright Piano Facts For Kids

An upright piano is a big, classic keyboard instrument where pressing keys makes strings sing; it helps people make music at home or in concerts.

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About this topic

Piano means an instrument you play with your fingers on keys. When you press a key, a small felt hammer hits a string inside and makes a sound. A person who plays the piano is a pianist, and pianos can play by themselves or with other instruments in songs and concerts.

Modern pianos usually have the number \(88\) of keys. The number \(88\) means eighty-eight keys, both black and white, which let you play very low and very high notes. Pianos can sound soft or loud, and that difference helped give the instrument its name long ago.

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Quick Facts

🎹An upright piano has its strings arranged in a vertical plane.

🎵Modern piano keyboards usually have 88 keys.

🪢Most notes on a piano have three strings, while bass notes have one or two.

🔊The sustain pedal lifts dampers to sustain notes and can broaden the tone.

🎛️The soft (una corda) pedal shifts hammers to hit fewer strings or softer notes.

🔇In upright pianos the middle pedal is often the practice pedal, which mutes the sound.

Key Points

Bartolomeo Cristofori was an instrument maker in Italy who built the first real piano more than 300 years ago.

Grand piano means the kind that lies flat with its strings and frame stretched horizontally.

Upright piano (also called a vertical piano) keeps its strings and frame standing up, so it takes less floor space than a grand.

Inside an upright piano you can find parts that work together to make sound.

A piano is heavy and powerful but its inside parts are delicate, so it needs care.

The piano can play melody and harmony at the same time, so people use it alone or with others in many musical styles.

Photos of Upright Piano

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Keyboard of a grand piano

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A cast iron plate of a grand piano

Duplex scaling of an 1883 Steinway Model 'A'. From lower left to upper right: main sounding length of strings, treble bridge, duplex string length, duplex bar (nickel-plated bar parallel to bridge), hitchpins, plate strut with bearing bolt, plate hole

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Range of Piano with modern extensions

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The Yamaha Disklavier player piano. The unit mounted under the keyboard of the piano can play MIDI or audio software on its CD.

An upright pedal piano by Challen

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A Yamaha grand piano

📘 How The Piano Was Invented

Bartolomeo Cristofori was an instrument maker in Italy who built the first real piano more than 300 years ago. He worked for a noble family and cared for many musical instruments, so he could try new ideas.

Cristofori’s big idea was a hammer-action: a hammer strikes a string and quickly falls away so the string can ring freely. This let players make notes quietly or loudly and repeat notes quickly. People first heard about the piano in writing around 1711, and a few of Cristofori’s early instruments still survive.

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🔎 Grand Pianos — The Big, Flat Kind

Grand piano means the kind that lies flat with its strings and frame stretched horizontally. The piano’s hammers and parts sit below the strings, and gravity helps the parts fall back into place after each note. This makes it easy to play fast and sing a big, full sound.

Grand pianos come in different lengths. A small one is about \(1.5\) meters long (that means one and a half meters), and a very large concert grand can be between \(2.2\) and \(3\) meters long. Longer pianos usually make richer, stronger sound and are used on stage, while smaller grands fit in homes.

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🧭 Upright Pianos — Tall And Tidy

Upright piano (also called a vertical piano) keeps its strings and frame standing up, so it takes less floor space than a grand. The upright action was made in London in 1826, and this shape became popular for homes, schools, and churches because it fits against a wall.

In an upright, hammers move more sideways and often use springs to return to rest. Those springs can wear out over many years, so uprights sometimes need tuning and small fixes. Some very tall uprights were called “upright grand” for selling appeal, but they are not the same as real grand pianos. Uprights are usually more affordable and good for practice and family music time.

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💡 How An Upright Piano Is Built

Inside an upright piano you can find parts that work together to make sound. A spinet is very small; its top barely rises and the action sits below the keys with little vertical wires at the back of the keys. A console is a bit taller and usually has the action above the keys so it plays more clearly. A studio piano is about 1.07 to 1.14 metres tall (42–45 inches) and can hold a full-sized action above the keyboard. Taller cases are often called full-size upright pianos and let the soundboard and strings make a bigger tone.

When you press a key, a felt hammer strikes strings and a wood soundboard vibrates to make the sound louder. Many uprights have three pedals. The rightmost is the sustain pedal (also called the damper pedal): it lifts tiny felt pieces called dampers so strings keep ringing. That allows sympathetic vibration, which is when other strings that match the note gently vibrate too and add a bright, ringing color.

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🌟 Keeping The Piano Healthy

A piano is heavy and powerful but its inside parts are delicate, so it needs care. A tuner is a trained person who uses a special wrench to make each string a little tighter or looser until the notes sound right. Tuners often use a reference note called A440, which is a common pitch chosen so different instruments match. To make the whole keyboard sound natural, tuners sometimes use “stretch tuning,” making the very high strings a bit sharper and the very low strings a bit flatter than exact math says.

Pianos usually need tuning about once or twice a year, or more often if they are moved. Keep a piano away from direct heat, open windows, or very damp spots because sudden changes can warp wood or loosen glue. Wipe keys with a soft cloth and ask an adult or a technician for inside cleaning or repairs. Regular tuning and gentle care help the piano sound its best for many years.

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🧩 How People Play The Piano And Where It Fits

The piano can play melody and harmony at the same time, so people use it alone or with others in many musical styles. In a home, classroom, or concert, a piano might lead a song, support singers, or join an orchestra or band. It appears in classical music, jazz, ragtime, pop, rock, and in music for films and games because it can make soft, loud, bright, and warm sounds.

One way pianists help other musicians is called comping—playing chords and rhythms to support a solo player or singer. Players also use the sustain pedal to let notes blend together or to make a single long chord sparkle. Because a piano shows both notes and their harmony clearly, many musicians use it to learn songs, write music, and try new ideas.

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🧠 Take the Quiz about Upright Piano

Question 1 of 5

How many keys do modern pianos usually have?

Question 2 of 5

What is Cristofori’s hammer-action idea?

Question 3 of 5

What role does gravity play in a grand piano?

Question 4 of 5

Why are upright pianos popular for homes?

Question 5 of 5

What is comping in piano playing?

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Answer all 5 questions to see how you did.

Frequently asked questions

What is a piano and how does it make sound?

A piano is an instrument you play with keys. When you press a key, a small felt hammer hits a string inside and makes a sound.

How many keys do modern pianos have and what does that let you do?

Modern pianos usually have eighty-eight keys. The eighty-eight keys let you play very low and very high notes.

Who invented the piano and what is hammer action?

Bartolomeo Cristofori was an instrument maker in Italy who built the first real piano more than 300 years ago. His big idea was hammer action, where a hammer strikes a string and quickly falls away so the string can ring freely.

What is an upright piano and why is it useful in homes?

An upright piano keeps its strings and frame standing up, so it takes less floor space than a grand. The upright shape fits against a wall, which made it popular for homes, schools, and churches.

What are the different upright piano types?

Inside an upright you can find three common types: spinet, console, and studio. A spinet is very small; its top barely rises and the action sits below the keys. A console is a bit taller and the studio is tall enough to hold a full sized action above the keyboard.

What is the sustain pedal?

Many uprights have three pedals, and the rightmost is the sustain pedal that lifts dampers so strings keep ringing.