Does playing music to babies make them smarter? Read where the Mozart effect myth came from, how music supports your bond and how to listen safely.
Among the tips that land on new parents' phones, one headline comes up again and again: "Play classical music to your baby every day so their intelligence develops." Some families put a speaker in the nursery after hearing this advice, some play Mozart for hours at nap time, and some feel guilty because they can't manage it. Does playing music to babies really boost intelligence, or is it a myth? In this article we look at where the idea known as the "Mozart effect" came from, what is and isn't supported by science, how music can contribute to the bond between a baby and their parents, and what to bear in mind while listening.
What Is the Mozart Effect and Where Did It Come From?
The phrase "Mozart effect" came into the spotlight with an experiment published in the 1990s. In this experiment, it was reported that adult participants performed slightly better on certain spatial tasks shortly after listening to a Mozart sonata. It was not a study carried out with babies, and the effect measured was small and temporary.
Before long, however, this finding took on a very different form in the media and the marketplace: "Babies who listen to classical music become smarter." Classical music compilations, toys and videos for babies then became widespread. A narrow finding from a scientific experiment turned into a sweeping promise aimed at parents.
In the following years, studies on this subject showed that the original finding was not as strong as had been claimed. In the light of the information available today, what can be said is this: playing music to babies is not a method that has been proven to increase their intelligence permanently. There is no reliable evidence that a baby who listens to Mozart will be more intelligent than one who doesn't.
The most valuable music you can play for your baby's development may be not a sonata coming from a speaker, but an ordinary song sung in your own voice.
Does Playing Music to Babies Increase Intelligence?
The short answer to this question is "it has not been proven". But this does not mean that music is meaningless for a baby. The distinction needs to be drawn correctly.
Claims that are not supported:
- A particular composer or genre raises a baby's IQ score.
- The more music a baby is played, the smarter they will become.
- Parents who don't play classical music are holding back their baby's development.
What is more reasonable:
- Music can create an enjoyable and soothing moment of sharing between a baby and their caregiver.
- Rhythmic songs, nursery rhymes and lullabies can be a rich stimulus that accompanies a baby as they begin to notice sounds, language and repetition.
- Making eye contact with your baby, touching them and rocking them while singing are everyday interactions that nourish the bond between you.
What matters here is not "music" but the relationship in which the music takes place. For a baby, a symphony coming from a speaker and a lullaby sung by their mother or father while looking at their face are not the same experience. In the second, voice, facial expression, physical contact and reciprocity all come together.
Why Did the Mozart Effect Myth Spread So Widely?
One of the reasons why a scientifically weak idea has proved so persistent is that it speaks to a very natural wish that parents have: to give their child a strong start in life. New parenthood is a period full of uncertainty. A baby cannot talk, we cannot always understand what they want, and the question "Am I doing enough?" often comes to mind. At such a time, a simple, concrete suggestion such as "Play classical music for twenty minutes every day" feels reassuring. There is something clear to do, and once it is done, we feel at ease.
However, suggestions like this can easily turn into pressure as well. A mother who sees other mothers' "baby development playlists" on social media may feel inadequate because she only plays her baby the songs that come on the radio. A father who comes home exhausted in the evening may feel guilty, thinking, "We didn't manage to play any music today either."
The thing to keep in mind here is this: a baby's development does not depend on a single activity, a single toy or a single genre of music. A safe environment, regular care, loving interaction, play and rest together support a baby's development. Music can be an enjoyable part of this whole, but its absence does not mean a developmental loss. Looking critically at "must-do" lists that feed parental anxiety is important for both your wellbeing and your baby's.
How Can Music Help You Bond with Your Baby?
From birth, babies show a particular interest in the human voice. They are sensitive to speech directed at them, to intonation and to repetition. The way parents, without realising it, raise the pitch of their voice, stretch out words and speak almost as if singing when talking to their baby is a natural response to this interest.
Music can enrich this interaction:
- Accompanying calming down: Humming a lullaby while holding a restless baby and rocking them to a slow rhythm can slow down the bodies of both the baby and the adult.
- Predictability: Singing the same song before every sleep can create a routine that gives the baby the message "now it's time to sleep".
- Back-and-forth play: Nursery rhymes sung with clapping give the baby a chance to wait their turn, smile and respond with sounds.
- The adult's own feelings: For a tired and tense parent, singing can be a way of regulating their own breathing and getting through that moment a little more gently.
In Turkey, many families carry in their memories lullabies such as "Dandini dandini dastana", children's songs such as "Ali Baba'nın çiftliği" (the Turkish version of "Old MacDonald Had a Farm") and regional folk songs heard from a grandmother. These songs are not just music, but a family heritage passed down from generation to generation. We discuss this aspect of lullabies separately in our article on the benefits of singing lullabies.
Let's say a father holding his first baby is hesitant to sing: "My voice is terrible, I'll upset the baby." One night, while the baby is crying, he desperately starts humming a Black Sea folk song he listened to as a child and notices that after a while the baby is looking at him. This moment may not be increasing the baby's intelligence; but it is growing the father's self-confidence and his closeness to his baby.
Music in a busy household
In extended families, the parents are not the only ones who sing to the baby. Grandmother sings her own lullaby, big sister the song she learned at school, grandfather a folk song he knows. This variety can be enriching for the baby; different voices, different tones and different faces are part of the web of relationships around them. On the other hand, a television, loud conversations and music all going at the same time can tire some babies out. Creating calm moments during the day when the baby can focus on just one voice helps both the baby and their caregivers to rest. If arguments break out in the family over "which song should be sung to the baby", remembering that there is no right or wrong answer can ease the tension.
Playing Music to Babies: What Should You Watch Out For?
Playing music is generally a harmless and enjoyable activity; even so, it is wise to keep a few points in mind.
Volume: Babies' ears are sensitive. Keep music at a volume low enough for adults to talk comfortably. Don't place a speaker by your baby's head or inside their cot. Avoid putting headphones on babies.
Avoid constant background music: Music or a television left on all day can reduce a baby's opportunities to distinguish sounds and to have back-and-forth "conversations" with adults. Silence is valuable for babies too; it makes room for them to hear the everyday sounds around them, conversations and their own voices.
During sleep: A short lullaby or a calm melody can be part of the routine of falling asleep. However, there is no reliable information that music left on all night benefits a baby; in some babies it may disrupt sleep patterns.
Music videos on screens: Colourful song videos made for babies are very common. Promises that these videos develop intelligence or language are not supported by evidence. You can find general recommendations on screen use at a young age in our article on screen addiction. Playing music without a screen, or singing together, may be preferable.
Watch your baby's cues: If your baby turns their head away, becomes restless or cries, the music may be too much for them at that moment. Not every baby reacts to the same stimulus in the same way.
Simple Ideas for Playing with Music at Home
You don't need expensive toys or special compilations to play music to your baby. You can try these small things in the course of everyday life:
- A nappy-changing song: Make up a short song especially for repeated moments such as nappy changes or bath time. Over time your baby may come to recognise the song, and that moment may go more calmly.
- Put their name in a song: Fit your baby's name into a tune you know. Hearing their own name may catch their interest.
- Rhythm game: Hold your baby on your lap and rock them gently to the rhythm of the song, or clap their hands together with yours.
- Silence and waiting: While singing a song, stop at some point and wait for your baby's response. Give them the chance to say "carry on" with a smile, a sound or a movement.
- Kitchen orchestra: With slightly older babies, you can play sound-making games with safe objects such as a wooden spoon, a plastic container or a sealed bottle with rice inside. Be careful about the risk of small parts being put in the mouth.
- Remember your own childhood song: Try to remember a song or lullaby that was sung to you as a child; if you can't, ask your parents or grandparents. Singing this song to your baby can build a small bridge between the generations in your family. If you don't remember all the words, there is nothing wrong with making them up; what matters to a baby is not whether the words are right, but the warmth of your voice.
These ideas are not a development programme, but ways of making the time you spend with your baby enjoyable. You can read more about the place of play in development in our article on the importance of play.
When Should You Seek Professional Support?
Music can also help you make certain observations about your baby's development. It is advisable to talk to your paediatrician or a specialist in the following situations:
- If your baby does not react at all to loud sounds, their name or songs at the age when this would be expected
- If the hearing screening carried out after birth was not completed, or you have doubts about the result
- If you notice a marked lack of interactions such as eye contact, smiling or responding with sounds
- If your baby cannot be comforted for very long periods
These signs do not on their own mean a diagnosis; but they are a starting point for an assessment. When something is noticed early, any support needed can also begin earlier; so rather than putting off an observation that doesn't sit right with you, it is wise to share it with your paediatrician.
Sometimes the need for support comes not from the baby but from the parent themselves. If you feel too exhausted, detached or sad to sing to your baby, the reason may not be that you are "not a good parent", but tiredness or changes in your mood after giving birth. If these feelings have been going on for weeks, it may be helpful to talk to a mental health professional. If you are having thoughts of harming yourself or your baby, call 112 (emergency services) in an emergency.
The interaction between parents and child in infancy and early childhood is also one of the important topics in the field of child and play therapy. In this work, parents can be given guidance on play and everyday interaction with their babies; singing, nursery rhymes and rhythm games are treated as natural parts of this interaction.
Frequently Asked Questions
Does playing music to your bump during pregnancy increase the baby's intelligence?
There is no reliable evidence showing this. If listening to music during pregnancy does the mother good, that is valuable in itself; however, doing it in order to increase the baby's intelligence, or holding a speaker against the bump, is not recommended.
What kind of music should be played to a baby?
There is no strong evidence that any particular genre is more beneficial. Calm music with a gentle rhythm, played at a low volume, is generally more comfortable to listen to. The music the family loves, folk songs and lullabies are at least as valuable for a baby as classical music.
My singing voice isn't good — should I still sing to my baby?
Yes. Babies care not about how beautiful your voice is, but about the fact that it is yours, its familiarity and your closeness. A flawless performance is not needed; even humming is an interaction that nourishes your bond with your baby.
My baby cries when music is put on — is this a problem?
Every baby reacts differently to sounds. Some babies may be bothered by certain sounds or by high volume. You can try turning the volume down, changing the music or simply singing in your own voice. If your baby generally reacts excessively or very little to sounds, consult your paediatrician.
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Eda Erkan Alapala
Klinik Psikolog. İstanbul Kent Üniversitesi Klinik Psikoloji Tezli Yüksek Lisans mezunu; bilişsel davranışçı terapi, çocuk merkezli oyun terapisi ve çocuk-ergen psikoterapisi alanlarında eğitimlerini tamamlamıştır.
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