Many parents have heard that playing Mozart to a baby makes them smarter. The idea has been around since the 1990s and still appears on toy boxes and playlists. The research behind it is more limited than the marketing suggests, but music still has a real place in a baby's day. Here is a plain summary.
Where the “Mozart effect” came from
In 1993, researchers at the University of California, Irvine published a short study in the journal Nature. College students who listened to about ten minutes of a Mozart sonata did slightly better on a spatial reasoning task than students who sat in silence or listened to relaxation instructions. The effect lasted only a short time after listening.
The study did not involve babies, and it did not measure general intelligence. Even so, the idea spread quickly. In 1998 the governor of Georgia proposed giving every newborn in the state a classical music CD.
What later studies found
Other researchers tried to repeat the result. Large reviews that combined many of these studies, published in 1999 and 2010, found the effect was very small or absent, and could be explained by music simply making listeners more alert or in a better mood. There is no good evidence that listening to Mozart, or any other composer, raises a baby's IQ.
What music can do for babies
Music is still worth including in daily life, for different reasons:
- Calm and comfort. Studies on infant-directed singing show that a parent's singing can hold a baby's attention and help them settle.
- Bonding. Singing, rocking and dancing together are shared moments. Your voice matters more than the recording.
- Routine. The same quiet piece at bath time or before sleep becomes a signal that the day is winding down.
- Active play. A 2016 study at the University of Washington found that 9-month-olds who took part in music play sessions, moving to the beat with an adult, showed stronger brain responses to rhythm in both music and speech. The benefit came from taking part, not from passive listening.
How to use music at home
- Keep the volume low, at a level where you could talk over it comfortably, and keep speakers away from the crib.
- Pick slow, gentle pieces for wind-down time and livelier ones for play.
- Sing along, even if you think you cannot sing. Babies respond to familiar voices.
- Use the same short playlist each night so it becomes part of the routine.
- Turn it off once the baby is asleep.
Music from The Better Baby
We publish original classical pieces for calm and playful moments on our YouTube channel. We make them for routines and quiet time, not as a learning tool. For the rest of a calm bedtime routine, see the organic cotton sleep bags, swaddles and crib sheets in our Baby Essentials collection.
This article is general information and is not medical advice. Talk to your pediatrician about your baby's development and sleep.