character: Mr. Smith
topic: Sound Waves and Tuning of Instruments
grade: 9
subject: Physics
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character: Mr. Johnson
topic: Harmonics and Overtones in Musical Instruments
grade: 9
subject: Physics
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character: Ms. Davis
topic: The Physics of Vibration in Sound Production
grade: 9
subject: Physics
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character: Dr. Lee
topic: Wave Properties and Frequencies in Music
grade: 9
subject: Physics
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