Shadowing Practice: HOW IT WORKS - Grand Piano - Learn English Speaking with 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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Vocabulario y notas de pronunciación para esta lección

Este vídeo tiene 36 frases y 484 palabras para practicar shadowing. La parte hablada dura 4:42. El hablante habla despacio, unas 103 palabras por minuto, así que hay tiempo para imitar cada sonido. Solo el 76 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.

Vocabulario clave de este vídeo

15 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:

PalabraPronunciaciónSignificado
string sustantivo/stɹɪŋ/cuerda, mecate ("cordel" or "cuerda")
piano sustantivo/piˈænɪː/piano
wire sustantivo/ˈwaɪɚ/alambre, hilo
hammer sustantivo/ˈhæmɚ/martillo
technique sustantivo/tɛkˈniːk/técnica
thick adjetivo/θɪk/grueso, espeso
muscle sustantivo/ˈmʌs.əl/músculo
pitch sustantivo/pɪt͡ʃ/tiro
worker sustantivo/ˈwɝ.kɚ/trabajador, obrero
layer sustantivo/ˈleɪ̯ɚ/capa, tongada
incredibly adverbio/ɪŋˈkɹɛdɪbli/increíblemente
spin verbo/spɪn/girar, rotar
wooden adjetivo/ˈwʊdn̩/de madera
enable verbo/ɪˈneɪ.bəl/habilitar, posibilitar
ton sustantivo/tʌn/tonelada

Pronunciación a tener en cuenta

El hablante usa 6 contracciones y formas reducidas, como they'll, they're, it'll. Dilas en su forma corta, tal como las oyes.

  • Los sonidos de “th”: thick /θɪk/, smooth /smuːð/
  • Los sonidos de “sh” y “zh”: tension /ˈtɛnʃən/, precision /pɹɪˈsɪʒ.ən/, squash /skwɔʃ/
  • Palabras largas — cuida el acento: incredibly /ɪŋˈkɹɛdɪbli/, mechanism /ˈmɛk.ə.nɪ.zəm/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
  3. Grábate y compara con el original, prestando atención a palabras como string, piano, wire.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →