There's this frenzy that the parents want their babies to be so smart.

First, because it's unusual. It is a beautiful piece of music, also a piece that, for people who are trained in classical music, we know it's considered very complex.

We had a lot of parents, many unfamiliar with classical music, say that they really liked Ravel. They asked to keep it after the study, because it was helpful in putting their baby to sleep, or calming the baby at feeding time.