By the acts 3 & 4 Wm. IV. c. 15, and 5 & 6 Vict c. 45, the author of a play, opera, or mtfsical composition, or his assignee, has the sole right of representing or causing it to be represented in public at any place in the British dominions during the same period as the copyright in the work exists. The right is distinct from the copyright, and requires to be separately Registered. Sweet