%0 Journal Article %T Freedom and rules: the acquisition and reprogramming of a bird's learned song. %A Gardner, Timothy J %A Naef, Felix %A Nottebohm, Fernando %J Science (New York, N.Y.) %V 308 %N 5724 %P 1046-9 %@ 0036-8075 %D 2005-05-24 %~ DeepDyve