Like George (and also being a melodeon player), must be that a lot of my 'accordian' playing is/are 'fun' songs. I find the quite fun ones are songs. My favorite fun ones are: cajun/zydeco 'my baby don't wear no clothes', 'rattlin bog' of course!, fats domino, blues, latin forms...I play dance tunes - gypsy, grooves, boogie woogie, shoot polkas and jigs sure i forgot :ch ...so that's always fun - especially when folks dance.. satie too can be fun, iirc I think I fooled a bit like that, though I think I'm really interested in the more melancholy side of accordian. I play a bit more brooding at home, although with the kids i tend to emulate jerry lee lewis, little richard.. Accordian is such a fine machine to get people moving. And, frankly, accordians are just quite fun.
I used to sing all kind of fun stuff from rocky raccoon, pete seeger, stehen foster (have a bit of a minstrelsy thing), a lot of songbook/pop/jazz standards is quite fun - gershwin, early film stuff, jelly roll morton...garcia, bluegrass, murder ballads, david lindley, taj mahal, salsa, reggae...sheesh when we were kids we played little feat, pink floyd, stones, kinks, zepplin, those british guys from faces to bowie...hard to say that all wasn't a bit of fun {} I'm gittin old but I love to listen to iggy and the more subversive stuff...as I become more insane I might try to break out some of that, or beck guero.
Although, really I took up accordian so that I WOULDN'T have to sing.
I think I'm getting old :b