<P> Top Secret Drum Corps is a drum corps based in Basel , Switzerland . With 25 drummers and colorguard members , the corps became famous for its demanding six - minute routine performed at the Edinburgh Tattoo in 2003 . With its invitation to Edinburgh , Top Secret became one of the first non-military , non-British Commonwealth acts to perform on the Esplanade at Edinburgh Castle . </P>
<P> Top Secret Drum Corps is a drum corps based in Basel , Switzerland . With 25 drummers and colorguard members , the corps became famous for its demanding six - minute routine performed at the Edinburgh Tattoo in 2003 . With its invitation to Edinburgh , Top Secret became one of the first non-military , non-British Commonwealth acts to perform on the Esplanade at Edinburgh Castle . </P>
where are the top secret drum corps from
where are the top secret drum corps from
Basel , Switzerland
Basel , Switzerland