Here are entered works on the conventions or styles of performance characteristic of particular periods, places, or groups. General works on musical performance are entered under Music--Performance. --subdivision Performance under individual musical instruments and families of instruments, e.g. Piano--Performance
Here are entered works on extracorporeal pumping mechanisms that duplicate the function of the natural heart. Works on intracorporeal pumping mechanisms that duplicate the function of the natural heart are entered under Heart, Artificial.
