Drum Corps 2012 DCI Finale' with all corps playing "Appalachian Spring". 1 min read On August 11, 2012, with all corps in retreat formation, the DCI finalists performed a short segment from Aaron Copland’s “Appalachian Spring.” VIEW VIDEO SOURCE Tags: 2012 Aaron Copland Appalachian Spring corps DCI Drum Corps International finale Retreat simple gifts Continue Reading Previous Vlogmas 2020 Day 2: Top 8 Drum MajorsNext We Defibrillated a Steak