Yamaha Band and Orchestra 28x14 8200 Field Corp Series Bass Drums Designed for top marching programs Designed for top marching programs, Field-Corps marching bass drums provide a deep, resonant tone, and punchy attack.Lug casing developed strictly for marching drums The toms and bass drums are both equipped with the first lug casing in Yamaha history developed strictly for marching drums, making Yamaha drums lighter than any competition level drums on the market and ideal for high school, college and drum corps use.