I don't plan on having a funeral (I wanna be frozen when I get really old so that they can unfreeze me when technology is good enough to get me a new body), but if I did have one, I'd want this song to be played:
My suggestion: don't worry about it. Let your kids figure it out!
I want this played at my funeral. And yeah, I'm definitely having a Catholic funeral, with Mass and everything. How those two go together I don't know, but I guess I have a rest of my life to find a way.