Drum Corps Rehearsal Top Secret Drum Corps 1 min read The Top Secret Drum Corps from Basel some years ago. This was the origin group constellation when it all started. VIEW VIDEO SOURCE Tags: basel Bühne corps drum Drumming Excellence performance Schweiz Secret show stage Tattoo top TOPSECRET Continue Reading Previous Forgemen Drum & Bugle Corps Rehearsal at Barnsley 2005Next Blue Knights Drumline 2009 Rehearsal in Indianapolis during Semi Finals 1.