Darn, I posted this to the wrong thread, so I'll paste it here, too.

Carol C. - My grandfather played the concertina. My uncle played the accordion. My mother actually gave accordion lessons. My father played the trombone. My sister plays the banjo and her daughter the bodran. I myself am a singer-songwriter.

I'm relieved to know that it's genetic; I always feared it was a hygiene problem. . .