character: Ms. Patel
topic: Exploring Pitch and Tone in Music
grade: 9
subject: Physics
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character: Mr. Harris
topic: Sound Waves and Frequency
grade: 9
subject: Physics
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character: Dr. Lee
topic: The Science of Sound: Understanding Waves
grade: 9
subject: Physics
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character: Ms. Connors
topic: Vibrations and Sound Production
grade: 9
subject: Physics
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