Question: In most modern wind instruments the pitch is changed by using keys or valves to change the length of the vibrating air column. The bugle,

In most modern wind instruments the pitch is changed by using keys or valves to change the length of the vibrating air column. The bugle, however, has no valves or keys, yet it can play many notes. How might this be possible? Are there restrictions on what notes a bugle can play?

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Different notes correspond to different standing wave patterns in the air columns ... View full answer

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