I sure hope Gabriel likes my music, when the day is done.

When I was a freshman in high school, I was friends with a senior who had had his corpus callosum severed years before to treat severe epilepsy. He was naturally brilliant to begin with, but if I remember correctly, he could write poetry (from memory) with one hand while writing equations with the other. He also exhibited the split-brain difficulty with naming objects when they were on his left side: he could hold a piece of chalk in his left hand but not name it until he transfered it to the right.