Within Music
Why Lullabies Work Across Cultures
Lullabies show how simple musical patterns can soothe children, mark care and carry family memory.
On this page
- Repetition, softness and security
- Family memory and oral tradition
- What lullabies reveal about music's uses
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Introduction
Lullabies are among the most widespread musical practices in human societies — quietly sung at the end of the day to soothe infants and help them settle. But they are more than cultural habit: a growing body of scientific research shows that specific musical features in lullabies can directly calm listeners, especially infants, by influencing physiological arousal and emotional states. These calming effects occur even when the music is unfamiliar or in a language the baby does not understand, suggesting that the musical form itself plays a fundamental role in soothing, not just cultural familiarity. [Nature]nature.comNatureInfants relax in response to unfamiliar foreign lullabies | Nature Human BehaviourOctober 19, 2020…
How Musical Structure Encourages Calm
Lullabies tend to share simple, repetitive, and gentle musical patterns that differentiate them from many other song types. Across cultures, melodies are often slow, smooth, and minimally accented, with predictable rhythm and few sudden changes. Adult listeners can consistently recognise infant-directed lullabies across cultures on the basis of these features alone — and infants likewise respond with physiological markers of relaxation when hearing them. [Nature]nature.comNatureInfants relax in response to unfamiliar foreign lullabies | Nature Human BehaviourOctober 19, 2020…
Slow tempo and gentle dynamics: Lullabies typically unfold at slow tempos with soft dynamics. This pacing corresponds with lower arousal states and aligns with basic human physiology, where slower rhythm and fewer sudden acoustic events help reduce nervous-system activation and support relaxation.
Repetition and predictability: Repetitive melodic and rhythmic patterns — for example repeating simple phrases or syllables — create predictability in the sound, reducing uncertainty and arousal. When a baby hears a predictable musical pattern, there’s less stimulation to process, which can promote calming rather than alerting responses. [SAGE Publications]sk.sagepub.comSAGE Publications Sage ReferenceSAGE PublicationsSage Reference - Music in the Social and Behavioral Sciences: An Encyclopedia - Lullabies…
Physiological Evidence from Infant Studies
In controlled research, infants’ physiological responses — such as heart rate, pupil dilation, and skin conductance — show measurable changes when listening to lullabies compared with other non-lullaby music. In a well‑cited experiment, US infants under one year old exhibited slower heart rates, smaller pupil sizes, and reduced electrodermal activity when exposed to unfamiliar lullabies from foreign cultures versus matched non-lullaby songs. These markers are consistent with a relaxation response, independent of the infants’ prior exposure to the specific melodies or languages. [Nature]nature.comNatureInfants relax in response to unfamiliar foreign lullabies | Nature Human BehaviourOctober 19, 2020…
The same studies found that parents overwhelmingly preferred lullabies over other song types when deciding what to use to soothe a fussy infant — even when the songs were unfamiliar — which suggests caregivers intuitively respond to the same structural features that signal calm. [Harvard Gazette]news.harvard.eduGazette Research shows lullabies in any language relax babies — Harvard GazetteHarvard GazetteResearch shows lullabies in any language relax babies — Harvard Gazette…
Social and Emotional Context: More than Sound Alone
While the acoustic structure of lullabies is central, the context in which they are delivered also matters. Developmental psychologists highlight that lullabies are typically embedded in a multimodal caregiving experience involving close physical contact, eye contact, and gentle movement (rocking or swaying). This combination of musical cues and social presence enhances the calming effect, reducing stress not just in infants but often in caregivers too. [National Geographic Education]education.nationalgeographic.orgNational Geographic EducationWhat the Lullabies We Sing to Our Children Reveal About UsNovember 19, 2020…
This social embedding may help explain why familiar lullabies — those learned through repeated interaction between caregiver and child — can be even more effective, as they carry emotional association and security beyond their acoustic features. [National Geographic Education]education.nationalgeographic.orgNational Geographic EducationWhat the Lullabies We Sing to Our Children Reveal About UsNovember 19, 2020…
What Lullabies Reveal About Music’s Uses
Lullabies illustrate how music can serve functions beyond entertainment: they are regulatory tools that help manage arousal, foster social bonding, and mark care within families. The universal presence of lullaby‑like songs across cultures hints at deep connections between musical structure and human emotional regulation, a theme that continues to interest researchers exploring why music evolved in human societies. [Nature]nature.comNatureInfants relax in response to unfamiliar foreign lullabies | Nature Human BehaviourOctober 19, 2020…
By making calming cues acoustically salient — slow pace, simple melody, and repetition — lullabies show that music’s capacity to soothe is grounded in both biological responsiveness and social experience, offering a window into one of music’s most ancient and caregiving‑oriented roles. [Harvard Gazette]news.harvard.eduGazette Research shows lullabies in any language relax babies — Harvard GazetteHarvard GazetteResearch shows lullabies in any language relax babies — Harvard Gazette…
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Endnotes
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Source: nature.com
Link: https://www.nature.com/articles/s41562-020-00963-zSource snippet
NatureInfants relax in response to unfamiliar [foreign lullabies]({{ 'foreign-songs/' | relative_url }}) | Nature Human BehaviourOctober 19, 2020...
Published: October 19, 2020
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Source: news.harvard.edu
Title: Gazette Research shows lullabies in any language relax babies — Harvard Gazette
Link: https://news.harvard.edu/gazette/story/2020/10/research-shows-lullabies-in-any-language-relax-babies/Source snippet
Harvard GazetteResearch shows lullabies in any language relax babies — Harvard Gazette...
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Source: sk.sagepub.com
Title: SAGE Publications Sage Reference
Link: https://sk.sagepub.com/ency/edvol/embed/music-in-the-social-and-behavioral-sciences/chpt/lullabiesSource snippet
SAGE PublicationsSage Reference - Music in the Social and Behavioral Sciences: An Encyclopedia - Lullabies...
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Source: education.nationalgeographic.org
Link: https://education.nationalgeographic.org/resource/what-lullabies-we-sing-our-children-reveal-about-us/Source snippet
National Geographic EducationWhat the Lullabies We Sing to Our Children Reveal About UsNovember 19, 2020...
Published: November 19, 2020
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Source: journals.sagepub.com
Link: https://journals.sagepub.com/doi/full/10.1177/10693971241272406Source snippet
and Universality: An Ethnographic Review - Stéphane Aubinet, 2024August 6, 2024 — Open [access]({{ 'access/' | relative_url }}) Research article First published online Aug...
Published: August 6, 2024
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Source: utmb.edu
Link: https://www.utmb.edu/pedi/news/news-article-page/2021/01/29/lullabiesSource snippet
Sally Robinson Image: dreamstime_l_182318256 * * * The oldest known lullaby is a Babylonian lullaby found inscribed on a clay tablet...
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Source: journals.sagepub.com
Link: https://journals.sagepub.com/doi/10.1177/1049909107310139Source snippet
sagepub.comLullament: Lullaby and Lament Therapeutic Qualities Actualized Through Music Therapy - Clare O'Callaghan, 2008January 15, 2008...
Published: January 15, 2008
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Source: journals.sagepub.com
Link: https://journals.sagepub.com/doi/pdf/10.1177/0305735692201002Source snippet
Unyk, Sandra E. Trehub, Laurel J. Trainor, E. Glenn Schellenberg, 1992April 1, 1992 — First published April 1992 Request permissions LULL...
Published: April 1, 1992
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Source: journals.sagepub.com
Link: https://journals.sagepub.com/doi/10.1177/0305735692201002Source snippet
Unyk, Sandra E. Trehub, Laurel J. Trainor, E. Glenn Schellenberg, 1992First published April 1992 Request permissions LULLABIES AND SIMPLI...
Published: April 1992
Additional References
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Source: cambridge.org
Link: https://www.cambridge.org/core/journals/behavioral-and-brain-sciences/article/sound-sleep-lullabies-as-a-test-case-for-the-neurobiological-effects-of-music/3C301CFA1A2B6D5AE9C1BB3E0EF0C19ESource snippet
September 30, 2021 — SOUND SLEEP: LULLABIES AS A TEST CASE FOR THE NEUROBIOLOGICAL EFFECTS OF MUSIC Published online by Cambridge Univers...
Published: September 30, 2021
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Source: unibw.de
Link: https://www.unibw.de/hum-psychologie/online-liste-forschungsprojekte/lullaby_englishSource snippet
Universality of Lullabies — Institut für PsychologieUNIVERSALITY OF LULLABIES ABOUT OUR PROJECT In this study, we want to investigate the...
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Source: aip.org
Title: Lullabies May be Product of Battle Between Parents and Babies
Link: https://www.aip.org/inside-science/lullabies-may-be-product-of-battle-between-parents-and-babiesSource snippet
16, 2017 — Inside Science Inside Science Inside Science / Article LULLABIES MAY BE PRODUCT OF BATTLE BETWEEN PARENTS AND BABIES NOV 16, 2...
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Source: sciencedirect.com
Title: Sleep, baby, sleep: Lullabies in infancy and childhood
Link: https://www.sciencedirect.com/science/article/pii/B9780443336515000227Source snippet
ScienceDirectMUSIC AND SLEEP A Scientific Perspective 2026, Pages 151-170 CHAPTER 8 - SLEEP, BABY, SLEEP: LULLABIES IN INFANCY AND CHILDH...
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Source: edweek.org
Title: Ask a Scientist: Do Lullabies for Infants Really Work?
Link: https://www.edweek.org/teaching-learning/ask-a-scientist-do-lullabies-for-infants-really-work/2016/01Source snippet
By Lillian Mongeau — January 07, 2016 3 min read * * Remove Save to favorites Save to favorites * Print Email Facebook LinkedIn Twitter Co...
Published: January 7, 2016
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Source: pubmed.ncbi.nlm.nih.gov
Link: https://pubmed.ncbi.nlm.nih.gov/33077883/Source snippet
For example, adult listeners accurately identify unfamiliar lullabies as infant-directed on the bas...
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Source: pmc.ncbi.nlm.nih.gov
Link: https://pmc.ncbi.nlm.nih.gov/articles/PMC10745197/Source snippet
nih.govUniversality, domain-specificity, and development of psychological responses to music - PMCJune 1, 2023 — Among the different beha...
Published: June 1, 2023
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Source: pmc.ncbi.nlm.nih.gov
Link: https://pmc.ncbi.nlm.nih.gov/articles/PMC6446122/Source snippet
2019 Mar 20;2019:3972918. doi: 10.1155/2019/3972918 NEUROPROCESSING MECHANISMS OF MUSIC DURING FETAL AND NEONATAL DEVELOPMENT: A ROLE IN...
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Source: pmc.ncbi.nlm.nih.gov
Link: https://pmc.ncbi.nlm.nih.gov/articles/PMC8220405/Source snippet
For example, adult listeners accurately identify unfamiliar lullabies as infant-directed on the ba...
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Source: youtube.com
Title: How Music Affects Your Baby’s Brain
Link: https://www.youtube.com/watch?v=83i1q7lUv48Source snippet
The Power of Lullabies for Infant Development...
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