Comment by SPBesui

I hope this doesn’t come across as rude, but have you ever held a trumpet? Even if you’ve never played one, you can see they have adjustable tuning slides (a main one at the first bend, then a smaller one off each of the three valves). Maybe you’re thinking of a bugle? But any decent bugle player can bend notes up or down at least a little, probably to compensate for weather/temperature/etc.