http://www.hampshirechronicle.co.uk/news/winchester/8292275.New_hall_given_green_light_to_sell_alcohol/

The following from John King;

Yes, it can sell alcohol. Music? Forget it. No music after 9:00pm - plus a noise limiter - plus a device attached to the exits which cuts the power supply to the musicians (possibly killing them in the process).

Of course this condition also applies and prevents all non-amplified live music.