“We have no idea what it’s doing to the creating mind, and to assume it’s a good thing is really silly. It’s more likely to be interfering with normative mind development,” DiPietro says. There’s even some research displaying that fetus will tune out repetitive exterior stimuli. “We actually know little or no about the developing brain and the environment it must develop properly,” agrees DiPietro. “No one would argue that you just would not stick a speaker subsequent to a newborn child once they’re sound asleep and blast music in its ear.”