Baby Brains is back – as a rock ‘n’ roll prodigy! Thank heavens Mr. and Mrs. Brains played music to their baby before he was even born. Not only is their bundle of joy amazingly smart, but he’s also a musical genius! After mastering the tuba, cello, drums, and electric guitar, Baby Brains declares from his stroller that "rock ’n’ roll is where it’s at," and soon he’s preparing to headline the biggest outdoor concert in the world.