The provisions of this chapter shall apply prospectively and shall not operate to revoke any valid live entertainment license in effect as of the date of the ordinance codified in this chapter. The provisions of this chapter shall not be deemed to require an entertainment license for the following:
A. For the use of a radio, record player, juke box or television receiver in any establishment;
B. For the use of a piano or organ in any establishment;
C. For any entertainment provided for members and their guests at a private club where admission is not open to the public;
D. For the playing of background music by any electronic means or instrument in conjunction with the service and consumption of food.