Bruce - Thanks also for the advice. Yes I am writing for drum corps. Great to hear you marched and I think I've got some old tapes of Sky Ryders '80 - taped by a guy from Crawley, UK who marched - some fine high notes if I remember rightly! I think the sound nowadays is cleaner, somewhat thanks for B flat brass (they aren't called 'bugles' anymore but trumpets, for instance). Listen to the Cavaliers from 2000 onwards. I have one of thier standstill encore performances recorded on minidisc which is as clean and sweet a brass choir sound as I've heard anywhere (obviously being a standstill performance they weren't running around like mad things, but all the same).