He learned the parts by watching online videos of the Blue Devils drum line team.
Arden Hayes knows US presidents and geography probably better than you ever will and despite being really impressive, it's probably not the thing people will remember from this video, so be sure to watch it 'til the end.
As you can see here, they have since then cut the end of the video for advertising reasons obviously.
That's 305 km/h at 3,600 meters
Just look at what these kids did for their disabled teammate.