Is discipline really starts from the womb of a mother?

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I've heard that Lea Salonga's mom played classical music during her pregnancy that it helped the development of a child inside the womb. 1. What is the effect on the baby of mother's cravings or likes during her pregnancy? 2. Lea was so admirable on her achievements as an actress a singer and a person, do you think it has something to do of her mother's discipline since time of conceiving?