An introduction to musical acoustics, which covers vibrations and waves in musical systems and sound production, intervals and the construction of musical scales, tuning and temperament, the percussion instruments, the piano, the string, woodwind and brass instruments, room acoustics, the human ear and psychoacoustical phenomena important to musical performance and perception. Examples from the musical literature that illustrate various acoustical effects are covered. Some aspects of electronic music are also discussed. Satisfies CAS natural science divisional credit. Effective Spring 2020, this course fulfills a single unit in each of the following BU Hub areas: Quantitative Reasoning I, Scientific Inquiry I.