One of our regulars has a fanclub, three ladies of more mature years who sit in the corner and twinkle at him. We're trying to persuade them to sing.

To add to my OP, when the barkeep knows exactly what you drink; a request for a 'small vat of old unpronounceable' gets a large glass of pleasant fruity red. When MaduncleBucket started WW and changed his order from a full-fat shandy to a diety coke it caused Consternation.