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A new study from Yale University finds that singing to babies improves their overall mood. NPR wants to know what songs our listeners sing to their babies.

One was asked to sing more to their babies, with some extra support and resources, while the other continued their daily routines as usual. Mehr says that you don't have to limit the songs you sing to ...

Mehr says that you don't have to limit the songs you sing to classic lullabies like "Twinkle, Twinkle, Little Star." "If you want to sing, you know, Led Zeppelin, that's also fine," said Mehr.

Mehr says that you don't have to limit the songs you sing to classic lullabies like "Twinkle, Twinkle, Little Star." "If you want to sing, you know, Led Zeppelin, that's also fine," said Mehr.