"Musical notation" (WWW.MusicHarmony.Website/Musical_notation.html⇗) page tells you about the purpose of notated signs (#Purpose⇗), about the staff and its bar lines (#Lines⇗), types of clef symbols (#Clef⇗), pitches on the staff (#Pitch⇗), accidental symbols (#Accidental⇗), key signatures (#Key⇗), value of notes (#Value⇗), time signatures (#Time⇗), tempo meanings (#Tempo⇗), and it provides you to calculate the real duration of musical notes (#Calculator⇗).
"Notes and intervals" (WWW.MusicHarmony.Website/Notes_and_intervals.html⇗) page is about definition of a note (#Note⇗), sound wave and its frequency, note frequency chart, definition of an interval (#Interval⇗), harmonic and melodic intervals, compound intervals, perfect, major, minor, diminished and augmented intervals, consonant and dissonant intervals, notes and intervals on the guitar fret (#Guitar⇗).
"Musical scales" (WWW.MusicHarmony.Website/Scales.html⇗) page is about definition and purpose of scales (#Purpose⇗), different degrees of a scale, modes: Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian (#Modes⇗), major scale: natural major, harmonic major; minor scale: natural minor, harmonic minor, melodic minor; chromatic scale (#Scales⇗).
"Musical chords" (WWW.MusicHarmony.Website/Chords.html⇗) page is about definition and purpose of chords (#Purpose⇗), different tones of a chord, triads: major, minor, diminished and augmented (#Triads⇗); seventh chords: dominant seventh, minor seventh, half diminished seventh, diminished seventh (#Seventh⇗); roman numerals and chords inversions (#Roman⇗).
"Four-part writing" (WWW.MusicHarmony.Website/Four-part_writing.html⇗) page is about purpose of four-part writing (#Purpose⇗), different types of contrapuntal motion: similar, parallel, contrary, oblique; voices in four-part texture: bass, tenor, alto, soprano; close and open position of a chord (#Structure⇗), chords connection (#Connection⇗), basic rules of four-part writing.
"Harmonic cadences" (WWW.MusicHarmony.Website/Cadences.html⇗) page is about definition and purpose of cadences (#Purpose⇗), different functions of chords: tonic, subdominant, dominant); authentic cadence: perfect and imperfect authentic cadence (#Authentic⇗); half cadence (#Half⇗), plagal cadence (#Plagal⇗), deceptive cadence (#Deceptive⇗).