Drum Corps 2019 Avon BOA Grand National Show Warm up 1 min read Check out clips from Avon’s BOA Grand National Semi-Finals & Finals warm ups. Matt also explains the thought process behind the warm up plan and talks about the warm up as it happens. VIEW VIDEO SOURCE Tags: avon bands Avon Marching Black & Gold Band Director Bands of America BOA carolina crown CrownBRASS DCI Drum Corps International harloff Inside the Circle marching band matt harloff Susie Harloff The Harloff Hub unBAROQUEn WGI WGI Winds Winter Guard International Continue Reading Previous 2019 Royal Edinburgh Military Tattoo – Sydney highlightsNext Insane Food in Romania – GIGANTIC MEDIEVAL BBQ + Mangalica Hairy Pig!