And all it ever produces is tack as far as I can tell.
It did bring Swedish group ABBA to prominence I suppose, but that was a very long time ago now and maybe they would have achieved fame and fortune anyway, who knows?
As it happens, the Irish who are generally good at making music came last, last year.
Embarrassing? I wouldn't think particularly so.
So their comeback for this years contest is Dustin the Turkey.
And he is off to Belgrade to sing in this years competition, to be held in May.
Of course this might well be an Irish piss take on the whole Eurovision thing which in my opinion is well past its use by date.