You can't just throw these things together... 
I used to be a publican you know. I remember the brewery rep telling me to advertise that people should arrive by 7
"To be sure of a seat" on all posters about upcoming quiz nights and live music evenings .... and then not start them until 8.30. Just so they would have to buy several pints before they got the entertainment 'cos once that starts they slow down on the drinking!