Bach music in preterm infants: No 'Mozart effect' on resting energy expenditure

H. Rosenfeld Keidar, D. Mandel*, F. B. Mimouni, R. Lubetzky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Objective:To study whether Johan Sebastian Bach music has a lowering effect on resting energy expenditure (REE) similar to that of Wolfgang Amadeus Mozart music.Study Design:Prospective, randomized clinical trial with cross-over in 12 healthy, appropriate weights for gestational age (GA), gavage fed, metabolically stable, preterm infants. Infants were randomized to a 30-min period of either Mozart or Bach music or no music over 3 consecutive days. REE was measured every minute by indirect calorimetry.Result:Three REE measurements were performed in each of 12 infants at age 20±15.8 days. Mean GA was 30.17±2.44 weeks and mean birthweight was 1246±239 g. REE was similar during the first 10-min of all three randomization periods. During the next 10-min period, infants exposed to music by Mozart had a trend toward lower REE than when not exposed to music. This trend became significant during the third 10-min period. In contrast, music by Bach or no music did not affect significantly REE during the whole study. On average, the effect size of Mozart music upon REE was a reduction of 7.7% from baseline.Conclusion:Mozart music significantly lowers REE in preterm infants, whereas Bach music has no similar effect. We speculate that 'Mozart effect' must be taken into account when incorporating music in the therapy of preterm infants, as not all types of music may have similar effects upon REE and growth.

Original languageEnglish
Pages (from-to)153-155
Number of pages3
JournalJournal of Perinatology
Issue number2
StatePublished - Feb 2014


  • energy expenditure
  • metabolism
  • music
  • preterm infants


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