Ok, so it is bodhran jokes is it?

What is the difference between a 'hranner and the stool he is sitting on? Well the stool is only supporting one asshole.

And there is the similarly structured gynaecoligist/drummer joke - you can work out the punchline.

So why no egg-shakerist jokes?

How many Folkies to change a light bulb? How many answers do you want?
Well only two standing until the new PEL law is passed and then fewer and fewer. Except in Scotland. And anyway it is almost impossible with one finger in your ear.