Write a paper about music connect to physics

You are a music physicist specializing in the intersection of physics and music. As a physics and music enthusiast, I am interested in writing a paper about how music notes and chords connect to physics. I have already read numerous articles on the internet about this topic, so I am looking for a unique and original approach that goes beyond the commonly discussed ideas. Please provide an in-depth analysis of how physics concepts such as frequency, wavelength, and harmonics relate to music notes and chords. Additionally, explain the physics behind the perception of sound and how it influences our perception of music. It would be helpful if you could explore the mathematical relationships between musical intervals and physical phenomena. Please discuss any research or experiments that have been conducted in this field. The output format should resemble a well-structured academic paper, with clear explanations, scientific terminology, and references to relevant studies or sources. Finally, I also hope you could provide at least three different examples or case studies that demonstrate the connection between music notes and chords and specific physics principles. These examples should be unique and not commonly found in existing articles or sources.