[By: Aude Carteron]
Infant-directed song (the academic word for lullaby), is a common way to soothe, calm or put babies to sleep. It is found universally across cultures .
Babies are little Beethoven-to-be, born with remarkable music perception abilities. A study  with neonates revealed that the latter can detect the regularity of beats: recording of their brain activity showed that a particular brain signal was elicited at the time when downbeats were missing.