Performing practice (Music) -- See Performance practice (Music) 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
Performing rights (Copyright) -- See Copyright Performing rights Here are entered works on the protection of authors and composers against unauthorized performance of their works. Works treating of the intellectual property of actors, musicians and other performing artists in their performance are entered under the heading Copyright--Artistic performance.
Performing rights societies -- See Copyright clearinghouses Here are entered works on institutions established to assist users in securing permission to reproduce, broadcast or perform copyrighted works and to collect royalties for authors.
Perfusion pump (Heart) -- See Heart, Mechanical 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.