While brass bands and drum and bugle corps are both musical genres which are defined by the use of instruments classed as brass and percussion, the two genres differ as follows. A brass band:
-- may or may not have an honor guard -- a drum and bugle corps must have an honor guard;
-- may or may not observe patriotic or historically military traditions and values as a drum and bugle corps must (this is due to the often strictly civilian nature of band instruments as opposed to the purely military history of drums and bugles as signalling weapons);
-- is focused first on instrumentation and the playing of instruments, not (always) first being a fraternal group, as drum and bugle corps are;
-- plays band instruments in a variety of keys - drum and bugle corps use single key brass instruments througho...