LOL!

We can deduce that our anonymous GUEST is a fiddle player with a swelled head. The type of "Session player" who forms an exclusive little circle of insiders. Usally playing out of tune and off the beat, due to too much alchohol. Thinks he's doing great, though, as in the song about "After five rounds with Jose Cuervo, etc etc".

I'm reminded of a technical term I learned from an American military man for this kind of session - a circle jerk.

Hitting a little too close to home, eh, GUEST?

BWA-HAHAHAHAHA!