The first time Will was exposed to the Aggie War Hymn he was understandably confused and just followed the lead of the people around him. (He's eighth from the right and wearing sunglasses.)
(To give those of you who aren't from Texas a better feel for the Aggie War Hymn,
here's a short video. If your time is limited, skip to the 1:00 minute mark.)
But now Will has the sway down, and has started teaching it to his friends.
That boy is really started to love his Aggies...