Do children pick up music in the house at an early age? Absolutely, but the ones who are really musicians react differently. My son was definitely exposed to classical (and other types of) music when he was young, but no more (probably less) than I was; however, from the time he could walk, it affected him differently. To make a long story short, by the time he was four he was begging me to let him play an instrument. I asked him which one and he chose the cello, and he makes his living with it today. He was born with whatever it took for him to become a musician; it could not be taught, it was always there. If it could be taught like a language, everyone could do it (even Heifetz remarked once that string playing was easy, all you had to do was put the right finger on the right place at the right time), and we know that that is not the case.