“Musicians have more pronounced cortical knobs than nonmusicians” (Bangert and Schlaug,2006).
Our brains are “neuroplastic” they change and adapt particularly when we are young, and scientists are discovering that musician’s brains are the most neuroplastic of all!
Here is a great summary of the recent research into Einstein’s brain
– see especially c. 1.45!
“As a little girl, I fell in love with Albert because he played Mozart so beautifully on the violin….Music helps him when he is thinking about his theories.”
– Elsa, Einstein’s wife
And the original research: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2704009/