Every person conducting any exhibition, show or amusement, or operating a place of amusement shall preserve good order in and about the place where the same is conducted, and if necessary shall employ one or more special police, at his own expense. No musical devices or instruments, as an advertisement or otherwise, shall be played at the entrance of or in connection with any entertainment, exhibition or amusement, the sounds of which are, or may become a nuisance to the neighborhood.
('68 Code, § 32.08(b)) Penalty, see § 10.99