An entry fee, not a conspiracy
The association requires a form and ten dollars. The gang has been returning defaced applications.
Supporting source ↗CASE FILE · S09 E03

Tired of failing to be recognized for their years of service in the bar industry, the gang changes their ways to give the patrons what they think they want.
THE SHORT VERSION · SPOILERS AHEAD
The association requires a form and ten dollars. The gang has been returning defaced applications.
Supporting source ↗Dennis borrows Sudz’s flirtation and friendly banter; Mac and Dee turn the imitation into hostility.
Supporting source ↗Colored lighting and Dee’s conspicuous makeup transform the bar for industry night.
Supporting source ↗Charlie first performs for the gang, then returns to his keyboard during the disastrous industry gathering.
Supporting source ↗THE EVIDENCE
Charlie performs at his decorated keyboard.Source ↗
Dee stands under bright light in heavy makeup.Source ↗
Dennis coaches Mac behind the bar.Source ↗
Frank brings a paper gift bag into the manager’s office.Source ↗
The official explains the entry process.Source ↗
The gang regroups around the keyboard after industry night.Source ↗
The five gather in the association’s office.Source ↗
Mac and Dee rehearse from cards.Source ↗
Charlie plays the portable keyboard beside the pool table.Source ↗
Charlie sings into a stand-mounted microphone.Source ↗
Mac offers Paddy’s competing cocktail.Source ↗
The group samples Sudz’s fishbowl drink.Source ↗
The association’s visitors inspect Paddy’s.Source ↗
The gang spits at the departing visitors.Source ↗
Frank wears a green Paddy’s shirt beneath his jacket.Source ↗
Charlie plays his first proposed bar song.Source ↗
Charlie’s second song turns on the guests.Source ↗
Tags document researched occurrences, not every appearance. Read the research notes and attribution.