character: Mr. Jason Lee
topic: Harmonics and Overtones in Music
grade: 9
subject: Physics
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character: Ms. Sarah Kim
topic: Wave Properties in Sound
grade: 9
subject: Physics
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character: Mr. Tom Harris
topic: Frequency and Pitch in Music
grade: 9
subject: Physics
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character: Dr. Emily Chen
topic: Fundamentals of Sound Waves
grade: 9
subject: Physics
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