I want an electronic drum kit someday too!
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I have a Jew's harp. I wouldn't daresay I play good on it, but at least my children enjoy it (or not; after a while my daughter wants it for herself. Maybe it's criticism.)
What we both do with my wife is singing. I think both of us are pretty good at it, although it' s clearly not a career option for us. Yet again, our children love it, and also sing a lot.