Final answer:
A resonator traps and amplifies oscillatory energy, aiding in the creation of sound in musical instruments.
Explanation:
A resonator is a structure that can trap oscillatory energy and release it slowly or not at all. It plays a crucial role in musical instruments like horns, woodwinds, and organs, where it helps amplify sound. Resonance occurs when a body's vibrations are influenced by sound waves of the same frequency, leading to loud and prolonged sounds.
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