character: Professor Harmonia
topic: Understanding Wave Properties in Musical Instruments
grade: 9
subject: Music
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character: Dr. Melody
topic: The Science of Sound Waves in Music
grade: 9
subject: Music
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character: Ms. Cadence
topic: The Role of Frequency in Musical Instruments
grade: 9
subject: Music
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character: Mr. Tempo
topic: Exploring Resonance in String Instruments
grade: 9
subject: Music
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