Are you asking if a real brass player can play this? If so, the answer is, sorta.

There are three sounds in your file. None are of a fall.

The first is a straight sfortzando attack and decay, no problem.

The second is apparently a clip reversed, so no, I can't make that sound on a horn. I think if you were really set on it, I would ask the next player to knock my horn, and that would probably sound about right, and pretty awful. In fact, it would be so awful that it wouldn't matter what the rest of the guys in the brass section played.

The third sound is a pretty normal attack, again, no problem.

If you are thanking me in advance for a reply, you're welcome. If you are thanking me for a reply in advance, I'm already too late...

But somehow I don't think this is about a "brass section playing a trill", is it? What am I missing?

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