Live entertainment may be permitted as accessory to a restaurant, tavern or nightclub use in the C-C, C-R, C-N, C-H and M-C Zoning Districts, provided that the use meets the following requirements:
A. The principal use shall be a permitted, special exception, conditional or legal nonconforming use.
B. All performances on a property in the C-R or C-N Districts that can be heard at a principal residential use on another lot shall begin no earlier than 7:00 a.m. and terminate no later than 12:00 midnight and be limited to Friday and/or Saturday.