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Scientists teamed up with a pop artist to create a song designed to make babies happy.

According to Time, baby food manufacturer Cow & Gate hired a child development expert and a musical psychologist to come up with guidelines to create a pop hit for babies.

They determined that the song had to be uptempo, like a baby’s heartbeat, repetitive, and performed in a major key. The song also had be surprising, to keep the baby entertained.

Grammy-winning composer and singer Imogen Heap recorded the song. According to a video shared to YouTube, Cow & Gate, the company shared the song with seven families for a week to see if it would have an effect on their babies.

Watch the video to see the adorable results above.