This is in preparation for the "Second Grade Patriotic Program" today.
Ben says that when they practice this song, they sing it slowly the first time through the states, so the parents can understand what they are saying.
Then they go through all FIFTY again, and Ben says, "we go fast, to show how smart we are".
They've also memorized the Preamble to the Constitution and will be singing "The Star Spangled Banner". I had better pack the tissues. That song (no matter how poorly done) can get me all choked up.