Pic worth 1000 words. Can't help you without good pictures.
Marching mellophone and marching french horn do use the same fingering as trumpet for their 'written notes' (assuming the written notes are for the ke...
I bought a Nitro mesh kit for my nephew who was learner. Having played it a few times, I'd say that is was ideal for a kid starting out it's low cost,...
I suggest you record these yourself as a first step, as you will learn through trying and you will be far more likely to come up with original sounds ...