Complex sentence: The Alliance Drum and Bugle Corps is a Open Class (formerly "Class A") drum and bugle corps based in Gainesville, Georgia and founded in 2004 as a Drum and Bugle corps, and is a member corps of Drum Corps Associates.
Split into simpler sentences: The Alliance Drum and Bugle Corps is an Open Class (formerly "Class A") drum and bugle corps based in Gainesville, Georgia. It was founded in 2004 as a Drum and Bugle corps and is a member corps of Drum Corps Associates.