While the exchange of currency for someone to sing songs for two to three hours in the corner of a drinking establishment has always been a perplexing one, the allure of live music is strong. But now I’m here singing quietly to the three of your twenty tables that are full and you’re feeling swindled. How dare I not advertise more? How dare I expect payment without having more of a “following”. Have I no shame? (Probably not, I am after all a musician). But let’s consider an alternative possibility before we point fingers at the performer: Your bar is…