The business scope of music restaurants and bars when applying for business licenses includes the following categories:

1. Catering services: providing a variety of food, drinks and other catering services, including Chinese food, Western food, Bar snacks etc.

2. Music performance: Provides various music performance services, including live performances, concerts, DJ performances, etc.

3. Leisure and entertainment: Provides various leisure and entertainment services, including KTV, board games, chess and cards, etc.

4. Event planning: Provide various event planning services, including birthday parties, wedding celebrations, corporate annual meetings, etc.

5. Membership services: Provide membership services, including membership cards, points redemption, etc.

6. Other related services: Provide other services related to music restaurants and bars, including venue rental, equipment rental, etc.

The specific business scope needs to be selected and registered according to the regulations of the local industrial and commercial administration.