A Two-Year Follow-Up: Children Who Learn Piano Expand Their Vocabulary Faster Than Those Who Do Not

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A Two-Year Follow-Up: Children Who Learn Piano Expand Their Vocabulary Faster Than Those Who Do Not

Translation note: The practice advice and product descriptions below retain the original article’s China-market context at the time of publication; they do not establish current Global feature availability.

What does learning piano leave a child with? A two-year follow-up study found that children who consistently participated in music training made greater gains on vocabulary tests than children who did not.

It did not prove that “piano practice is guaranteed to improve school grades.” But for parents who sit beside their child at the piano every day and occasionally wonder, “Is all this time worth it?”, the finding deserves a closer look.

The study came from Habibi’s team at the Brain and Creativity Institute at the University of Southern California, and the paper appeared in the Annals of the New York Academy of Sciences. Using data from the US Adolescent Brain Cognitive Development (ABCD) Study, the researchers compared children who consistently participated in music training for two years with children who did not, examining their performance on tests of memory, attention, language, and other abilities.

Translator’s note: The original title refers to piano learning, but the published study examined sustained music training more broadly. Its findings should not be read as evidence specific to piano practice.

There are three main findings.

Vocabulary Grew Faster

Over the two years, children who consistently studied music scored higher on several tests. One measure on which they made greater gains was picture vocabulary: given a word, they selected the matching picture from several options. This tests the breadth of a child’s vocabulary, a foundation for reading and learning across school subjects.

In other words, during those two years on the piano bench, what develops first may not be finger skills, but the child’s ability to understand language.

Children communicate through a rhythm game in a reading corner while a teacher listens nearby

For Families With Fewer Resources, the Gap Disappeared

The researchers divided the children into two groups using a measure of neighborhood socioeconomic conditions. Among children who did not study music, those from more disadvantaged neighborhoods made significantly smaller vocabulary gains over two years than those from better-resourced neighborhoods. This is a gap that appears repeatedly in education research. Among children who studied music, however, that gap did not appear: vocabulary grew at roughly the same rate regardless of neighborhood background.

This finding particularly deserves attention from families with limited resources whose children are not aiming for a professional music career.

Does Learning Piano Make Children Smarter, or Do Smarter Children Choose to Learn Piano?

The researchers themselves acknowledged that children who studied music were already ahead on almost every measure at the outset. So the comparison was not simply between absolute scores, but between rates of change over two years. Children who studied music improved faster. The original article argues that a “different starting point” cannot explain this finding. It describes this as falling short of definitive proof of causation, yet coming close in a follow-up study with such a large sample.

Translator’s note: The paper’s abstract describes associations between sustained music engagement and cognitive abilities and also reports that cognitive performance predicted music engagement. Comparing changes over time does not, by itself, rule out selection effects or establish that music training caused the gains. The preceding assessment of how close the evidence comes to causation is the original author’s interpretation.

A child sits at a piano with an open picture dictionary nearby

What This Means for Children Who Practice Piano at Home

One word that appears repeatedly in the paper is “continuous.” The comparison was not about children who had studied music for a while in the past, but those who kept studying throughout the two years. In the original author’s view, the reward lies less in how many pieces a child can play than in the daily act of sitting down to practice.

So what parents should watch is not which exam grade their child has reached, but whether practice has stopped. A break rarely begins with a single deliberate decision. In our experience, two moments come up most often: in the third month, the child is still working on the same page of music, and after sitting beside them for a month without seeing a change, the parent starts to think, “Perhaps we should take a break”; or on the first evening after a holiday, the child walks around the piano to avoid it, the parent cannot be bothered to remind them, and one day stretches into a week. The difficulty is the same in both situations: there is no clearly defined task for that evening, something with an unmistakable finish, so the reason to sit down disappears. Wonder Piano, known as 西西魔法钢琴 in China, breaks a piece into individual levels. When a child completes one level each evening, that level becomes the day’s clearly defined task. That is why we designed it this way: to make “continuity” something that happens each evening, rather than something that rests on determination alone.

There is just one suggestion: the next time you want to stop for a while, replace “stop” with “do less.” Ten minutes a day, one level, without breaking the routine. When you look back two years later, what has grown may not be what you expected.

What has changed most for your child since they started learning piano?


Wonder Piano provides AI-assisted practice support for piano practice at home. Here, we write about practice methods, as well as the difficulties families encounter when putting those methods into daily life.

Original Chinese article