Oompa Loompa

So this morning Josh wakes up singing "Oompa Loompa, do-ba-dee-doo, I’ve got a perfect puzzle for you."  We've been reading a chapter of Charlie and the Chocolate Factory each night and they are both REALLY into it.  I'm so glad they enjoy books but not sure how I feel about their obsession of singing this song at the top of their lungs...