The valves tag has no wiki summary.
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Why do trumpet valves shift down and not up?
I understand how trumpets work - valves open to force the air through crooks, which lengthens the pathway the air must travel, thus decreasing the resonant frequency.
The question is, why are ...
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1answer
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Why isn't there a reed aerophone with valves?
Most reed instruments instruments have keys or finger holes. Most brass instruments have valves. There are brass instruments with keys, though, like the (fairly unsuccessful) keyed bugle. I can find ...
