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But their path is not linear, with many starting, stopping and resuming in adulthood; genetics and home environment play differing roles, ���Ҵ�ý�ƽ������ research finds

Those who played a guitar, piano or ukulele as kids are more likely than average to play as an adult—though perhaps not as likely as you might expect.

That’s one finding of a new study led by University of Colorado Boulder researcher Dan Gustavson, which sheds light on how children’s early interactions with music shape—but don’t determine—their musical lives decades later.��

The findings, recently published in the journal , draw on nearly 40 years of data from surveys of 1,900 people in The Colorado Adoption/Twin Study of Lifespan Behavioral Development and Cognitive Aging (CATSLife).

���Ҵ�ý�ƽ������ researcher Dan Gustavson led a recently published study that sheds light on how children’s early interactions with music shape—but don’t determine—their musical lives decades later.��

Gustavson and his colleagues analyzed measures of “music engagement”—being interested in and skilled at musical instruments—of participants at ages 7, 10, 12 and 16, then compared them with the same individuals’ music-playing habits in their 30s. The result: Early music engagement predicts adult instrument playing, but far less strongly than expected.��

Many participants started and stopped music throughout adolescence, and some took up music later in life.��

“We found more change than stability,” says Gustavson, assistant research professor at ���Ҵ�ý�ƽ������ Institute of Behavioral Genetics. “Kids don’t follow a single linear path. A lot of them start, stop and restart music as they grow.”��

The study also highlights shifting genetic and environmental influences. In childhood, shared environmental factors—such as family resources, school access and neighborhood programs—played a major role in determining who “engaged” with music. By adolescence, however, genetic influences grew stronger, probably reflecting teens’ increasing autonomy in the activities they pursue.��

“Adolescence is a time where you start to get a lot more freedom over your own behavior,” Gustavson says. “Your interests become less influenced by your parents and more by what you’re exploring. People who are just more naturally tuned to figuring out musical instruments are going to find themselves in those environments more.”

Gender differences emerged as well. Girls were somewhat more likely to engage with music in childhood, though boys showed slightly higher heritability for music engagement at younger ages. These differences disappeared by adolescence.��

“Girls were more likely to play music than boys . . . but in boys, there was slightly higher heritability in childhood for music engagement. That actually evened out by adolescence,” Gustavson says.

Playing and listening

Perhaps surprisingly, listening to music in adulthood was largely unrelated to playing music in childhood. Playing and listening appear to be distinct traits. “Passive listening is its own thing,” Gustavson notes. “It doesn’t track neatly with who played instruments as kids.”��

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“Music may be uniquely positioned to support language development, cognitive growth and even resilience against risky behaviors. But kids can’t benefit from it if they don’t have access,” says ���Ҵ�ý�ƽ������ researcher Dan Gustavson. (Photo: Dzmitry Shepeleu/Unsplash)

Gustavson is now exploring whether music engagement at key developmental windows—especially around age 12—may help protect teens from later substance use. Preliminary evidence suggests early adolescent music engagement is linked to lower rates of alcohol use and fewer substances tried in late adolescence, five to 10 years later.��

He notes that scientists take a developmental perspective on how behaviors can affect health. “You can’t just look at one time point when you want to understand how behaviors relate to important health outcomes. You have to think about the developmental stage. . . . There may be specific windows where things matter a lot more.

“Adolescence is when people start experimenting, and putting yourself in a music environment might be most protective during this time,” he says. Ultimately, Gustavson hopes the research might strengthen arguments for restoring music programs in schools.

“Music may be uniquely positioned to support language development, cognitive growth and even resilience against risky behaviors,” he says. “But kids can’t benefit from it if they don’t have access.”��

CATSLife twin studies and other longitudinal twin research help scientists discern the influences of genetics vs. environmental factors by comparing identical twins (who have 100% shared genes) and fraternal twins (with 50% shared genes).��

As a student, Gustavson became interested in the power of such studies: “I had friends growing up who were twins, and we always talked about what makes twins similar or different. Taking courses here, I found it really exciting to unpack which aspects of things are explained by genetics and which by the environment.”

Music itself strikes a chord with Gustavson, who plays guitar and drums and was a professional musician for a couple of years before he earned his PhD. “I’ve been really grateful that I’ve been able to integrate this into my research program now.

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