Beginning of basic theory sequence, covering both theory and aural skills. Theory: diatonic functions and Roman numeral analysis with the tonic, dominant, subdominant, and supertonic triads; principles of four-part voice leading; inverted triads; monochord tones. Harmonic concepts are exercised through score analysis and guided part writing and basic composition exercises. Aural skills: sight reading and dictation of diatonic melodies in the major and minor modes; rhythmic dictation; basic harmonic dictation. Prerequisite: minimum a grade of C- in MUS 110 or by examination. Second half of semester.