WOW!
Get a load of these high school kids. At the conclusion listen to the high notes on the trumpet played by a high school kid? One of the fathers recorded it, added some graphic enhancements to the recording, and posted it on the web. The song, of course, is the " Battle Hymn Of The Republic." Be prepared,it will definitely send a few shivers up your spine. It did mine.
Click below!
http://www.greatdanepromilitary.com/Battle%20Hymn/index.htm