Pratica di Shadowing: HOW IT WORKS - Grand Piano - Impara a parlare inglese con i video

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It's big, it's beautiful, it's a grand piano and each one of these majestic instruments is exquisitely handcrafted.
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The main difference from a standard upright piano is
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that in a grand the strings are longer and have to be arranged horizontally.
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The sound is produced by a felt hammer hitting up to three strings at once.
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The thicker and longer the strings are the lower the note.
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Each string begins life as a single steel wire attached to a spinning machine.
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One of the workers scuffs up the surface with sandpaper so
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when a copper wire is wrapped
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around it'll stay in
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place he adds another wire
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to the string to give it a deeper bass note the
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strings for a grand piano range in length from just five centimeters to over two meters.
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That's what allows them to produce an incredibly wide range of notes.
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Finally, he tightens the end of the wire to stop it from uncoiling.
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They have to use layers of flexible wood for the piano's casing, so they'll be able to bend it into the traditional shape.
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They're glued together and then squashed in a press until the adhesives dry.
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Then it's taken over to another press which will give it its shape.
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It's a tough job to get it into position and requires a bit of muscle and a lot of teamwork.
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When the strings are fixed, they'll have a combined tension of 24 tons, so the metal frame needs to be a super tough structure.
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It's made of precision cast iron, in a technique that was developed in the early 19th century.
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A cocktail of bronze powder, dissolver and thickener is sprayed onto the metal surface to fill any pores and give the frame a smooth finish.
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The metal frame weighs about 170 kilograms and has to be lifted into the wooden casing with a pulley.
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Then it's time to fix the strings, all 240 of them.
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Low notes have just got one string but the middle and higher notes have two or three to make them louder.
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They're called bichords and trichords.
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Each individual string has to be stressed until it reaches the exact pitch.
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Finally, they check the strings with a felt hammer.
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The hammer is controlled by a mechanism that enables a series of notes to be played consecutively at high speed.
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The workings of the piano are now complete, but before it can be fitted into the casing, an expert must check that all the hammers reach the same keystroke height,
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so they produce an even sound.
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A key has to drop under a weight of 52 grams, and they all have to be tested one by one.
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Who said the music industry was glamorous?
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All that remains is the final assembly.
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Every individual grand piano is handcrafted to the highest standards.
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That's why this factory builds, on average, just one a day.
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We'll be right back.

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Vocabolario e note di pronuncia per questa lezione

Questo video contiene 36 frasi e 484 parole da ripetere con lo shadowing. Il parlato dura 4:42. Chi parla lo fa lentamente, circa 103 parole al minuto, quindi c’è tempo per imitare ogni suono. Solo il 76% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.

Vocaboli chiave di questo video

15 parole del video che vale la pena imparare, con pronuncia e significato:

ParolaPronunciaSignificato
string sostantivo/stɹɪŋ/spago, stringa
piano sostantivo/piˈænɪː/pianoforte, piano
wire sostantivo/ˈwaɪɚ/filo, filo metallico
hammer sostantivo/ˈhæmɚ/martello
technique sostantivo/tɛkˈniːk/tecnica
thick aggettivo/θɪk/spesso
muscle sostantivo/ˈmʌs.əl/muscolo
pitch sostantivo/pɪt͡ʃ/tiro, lancio
worker sostantivo/ˈwɝ.kɚ/lavoratore, operaio
layer sostantivo/ˈleɪ̯ɚ/strato
smooth aggettivo/smuːð/facile, dolce
incredibly avverbio/ɪŋˈkɹɛdɪbli/incredibilmente
spin verbo/spɪn/girare, far girare
wooden aggettivo/ˈwʊdn̩/di legno, ligneo
enable verbo/ɪˈneɪ.bəl/permettere

Pronuncia a cui fare attenzione

Chi parla usa 6 contrazioni e forme ridotte, come they'll, they're, it'll. Pronunciale nella forma breve, così come le senti.

  • I suoni “th”: thick /θɪk/, smooth /smuːð/
  • I suoni “sh” e “zh”: tension /ˈtɛnʃən/, precision /pɹɪˈsɪʒ.ən/, squash /skwɔʃ/
  • Parole lunghe — attenzione all’accento: incredibly /ɪŋˈkɹɛdɪbli/, mechanism /ˈmɛk.ə.nɪ.zəm/

Come esercitarsi con questo video

  1. Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
  2. Fai shadowing frase per frase a velocità normale, ripetendo ognuna finché il tuo ritmo coincide con quello di chi parla.
  3. Registrati e confronta con l’originale, facendo attenzione a parole come string, piano, wire.

Cos'è la tecnica dello Shadowing?

Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.

Tecnica dello shadowing: leggi la guida completa passo dopo passo →