>Attending a con with my sis who had a table
>They have a Casio keyboard setup just randomly that people would just mess around with
>I'm there for 3 whole days, no friends past day 2 either, bored out of my mind
>just start playing sets on the piano
>soon a crowd gathers
>staffers think I'm an official event and bring in big speakers and audio stuff
>I try to explain to the manager that I'm not but she just says I should've told them I was starting early
>roped into playing sets on the keyboard for like 4 hours (with breaks obv) on the last day
They realized I wasn't an official event by the time I was done, but we were in too deep to stop. The manager was pretty embarrassed too, poor girl wouldn't stop apologizing..

Years later, I'm still called "Piano Man" by the staff at that specific con