[Disc 1] 1. How We Hear 2. Frequency 3. Pitch 4. Vibration and Resonance 5. Intensity 6. Loudness 7. Noise Measurement 8. Masking 9. Echo and Reverberation 10. Delay Distortion [Disc 2] 1. Fundamentals and Overtones 2. Quality 3. Subjective Tones 4. Music or Noise 5. Filtered Music and Speech 6. Dissonance and Consonance 7. Music Scales 8. Vibrato and Tremolo 9. The Doppler Effect 10. Narrator Closing Statement