14(1)A “performance of a play” means a performance of any dramatic piece, whether involving improvisation or not,—E+W
(a)which is given wholly or in part by one or more persons actually present and performing, and
(b)in which the whole or a major proportion of what is done by the person or persons performing, whether by way of speech, singing or action, involves the playing of a role.
(2)In this paragraph, “performance” includes rehearsal (and “performing” is to be construed accordingly).