They are singing (very loudly) songs like Amazing Grace, How I Love Jesus, and Joy to the World.
They are also having some theological discussions.
Here is what I just overheard as I walked down the hallway to remind them that they really should be quiet.
Hannah, who had been singing: Abby, get down from the ladder!
Abby: But I want to tell you something.
Hannah, continuing to sing: I once was lost!
Abby: Stop singing!
Hannah, still singing: But now I'm found!
Abby: I want to tell you something, Hannah.
Hannah: Okay. What is it?
Abby: Jesus is the "sauce".
Hannah: No, He's not. He's the source, not the sauce.
Abby: That's what I said. He is the "sauce".
Hannah: No, He isn't, Abby!
Abby: Yes, He is. Daddy told me. He said that Jesus is the "sauce".
Hannah: Abby...He is the source not the sauce!
Abby: I know. I already said that.