Complex sentence: A drum and bugle corps performance consists of the playing of music, usually accompanied by marching on parade, in field-drill formation (s) or in a marching band, but in line with the military presentation and heritage.
Split into simpler sentences: A drum and bugle corps performance consists of the playing of music, accompanied by marching in formation (s). It is similar to that of a marching band, but in line with the military presentation and heritage.