Here is a link to a bank of videos you all should check out.

http://youtube.com/results?search_query=matrix+percussion

Matrix Indoor Percussion is the ensemble that is from the Akron area and I worked closely with their director in the past. they are outstanding!!!

Look for the center tenor, thats Julian he worked with me at another h.s. and was a tenor player for the Bluecoats.

Check this link out. It's all Winterguard and Drumlines

http://www.youtube.com/group/wgi